August 12, 2007

  • Consider invasion of privacy on toll roads. These are being dicussed on the bridge debate.

    http://wcbstv.com/topstories/local_story_222140553.html

    Not So Fast: E-Z Pass Data Used To Catch Cheaters
    Divorce Lawyers Find Toll Records, Prove Spouses Lied About Whereabouts

    (CBS/AP) TRENTON, N.J. There’s some potentially troubling and telling news for all you motorists out there who may be taking the Turnpike for the worst crime in marriage: cheating on your significant other.

    E-ZPass and other electronic toll collection systems are emerging as a powerful means of proving infidelity. That’s because when your spouse doesn’t know where you’ve been, E-ZPass does.

    “E-ZPass is an E-ZPass to go directly to divorce court, because it’s an easy way to show you took the off-ramp to adultery,” said Jacalyn Barnett, a New York divorce lawyer who has used E-ZPass records a few times.

    Lynne Gold-Bikin, a Pennsylvania divorce lawyer, said E-ZPass helped prove a client’s husband was being unfaithful: “He claimed he was in a business meeting in Pennsylvania. And I had records to show he went to New Jersey that night.”

     Digg This Story!

    Generally mounted inside a vehicle’s windshield behind the rearview mirror, E-ZPass devices communicate with antennas at toll plazas, automatically deducting money from the motorist’s prepaid account.

    Of the 12 states in the Northeast and Midwest that are part of the E-ZPass system, agencies in seven states provide electronic toll information in response to court orders in criminal and civil cases, including divorces, according to an Associated Press survey.

    In four of the 12 states, including New Jersey and Pennsylvania, highway authorities release E-ZPass records only in criminal cases. West Virginia parkways authority has no policy. (Divorce attorneys in some cases can still obtain toll records from the other spouse rather than a highway agency.)

    The Illinois Tollway, which hands over toll records, received more than 30 such subpoenas the first half of this year, with about half coming from civil cases, including divorces, according to Joelle McGinnis, an agency spokeswoman.

    The New Jersey Turnpike Authority said it turns down about 30 subpoenas in civil cases every year, about half of them divorces.

    Electronic toll records have also proved useful in criminal cases.

    They played a role in the murder case against Melanie McGuire, a New Jersey nurse convicted in April of killing her husband and tossing his cut-up remains into the Chesapeake Bay in three matching suitcases in 2004. Prosecutors used toll records to reconstruct her movements.

    Davy Levy, a Chicago divorce lawyer for more than 30 years, said toll records from I-Pass (part of the E-ZPass system) are useful in catching a spouse in a lie.

    “You bring up the I-Pass records and it destroys credibility,” said Levy, who has used such records two or three times for such purposes.

    The E-ZPass network covers about half the East Coast and part of the Midwest, with about 2 billion charges per year. That can mean a lot of records. One of the busiest toll plazas in New Jersey, the Garden State Parkway’s southbound Raritan plaza, gets about 90,000 E-ZPass hits per day.

    Some worry that using those records for other purposes is a violation of drivers’ privacy.

    “When you’re marketed for this new convenience, you may not realize there are these types of costs,” said Nicole Ozer of the American Civil Liberties Union of Northern California.

    Bob Barr, a former Republican congressman from Georgia turned Libertarian and privacy rights advocate, said people who want to protect their privacy shouldn’t use electronic toll systems.

    “People are foolish to buy into these systems without thinking, just because they want to save 20 seconds of time going through a toll booth,” he said.

August 10, 2007

  • http://riverbridgecollapse.com

    http://riverbridgecollapse.com might take a few hours. I recent story was where they apparently ran the bridge design through a modern CAD program and found some structural weaknesses in the design. I’m still sticking with my “hinge pin galling” as either “win” “place” or “show” to use the horse-race metaphor. If the design was defective “hinge galling” can still play a roll. If the “hinges” were sticking that would compress and expand the arch. That causes metal fatigue.

    Something no one has mentioned in the New York City Citycorp Building. This has the “lean to” roof. An architectural student figured out that it had a serious structural flaw. If a hurricane hit New York the building could topple over. Such a hurricane hits NYC every fifteen years. They lucked out and managed to structurally reinforce the building. I’ll break the story on the blog and then tell some media people.

    Lot’s of angles to the bridge collapse. I recall during the 1960′s the freeway between the Twin Cities and Duluth was dubbed “the road to nowhere”. Freeway teaser then back to Highway 61 than more freeway. I think that in this was a pattern where the public was getting frustrated with the “difficult” sections of interstate system not being completed. This was in addition to the cost of the Vietnam war and the “Great Society” programs. I wonder if they tried to overrely on technology to build bridges on the cheap.

    Anyway, lots of stuff from the “cobwebs of my brain” to explore. I probably have some advantage here here from my SLA stuff, since that involved a lot of ancient material I also didn’t consider important at the time. This should be interesting and I feel I can contribute here.

August 9, 2007

August 7, 2007

  • I drive Hiawatha downtown several times a week.  Monday I was going North on Hiawatha and wanted go to the U of MN East Bank “stadium Village”  All they had is barrels.  I ended up on 94 west.  Even a spray painted tarps on barrels would have been a big help.  It’s very dangerous!

    On a trivia note there was a huge crane base unit parked “kiddie korner” from the 38th Street Light rail station for three weeks.  I figured it was there to demolish the closed Purina Mill there.  Today it was gone.  I’ll bet it’s one of the cranes that will be used for the bridge demolition.  It’s a worn and dirty red color, not the one on the barge.

August 6, 2007

  • if you are really interested – go look at http://www.nationalbridges.com/ – and you can check the status of any bridge you want – or get a list of the worst bridges in the state, or look at the specs on the 35W bridge.

    There will certainly be other bridge failures – maybe not as spectacular and maybe not in Minnesota – but bridge design in the 60’s was not very good – lots of bridges were constructed without redundant backups – meaning that the failure of a key structural component could cause the entire bridge to fail – and those bridges are all approaching 50 years old.

August 5, 2007

  • For specialty news on the bridge collapse adaption the Mall of America is opening up the East ramp to commuter parking.  The south end of the Light Rail is on the ground level of that ramp.  It’s way
    South of the River but it might help because a lot of people here are used to long cross-metro commutes.  There are a lot of extra busses at shopping Malls at the North side of the town so this might provide some extra help.  It will get “interesting” around Thanksgiving when the shopping malls need all their parking for the holiday shopping season.  The shopping malls are bus transit hubs so they might get it to work.  Time will tell.

    I have been focusing on the structural analysis.  The “hinge” areas are out of the water and they found no progressive structural failure there.  The “arch” is under water.  That obviously failed but I’m still betting on the hinge pins seizing so the arch could not expand or contract.  I’d guess that within a month they will have them removed and dissected. That’s still my “pony” to “win” or at least “place” or “show”. 

    So far I haven’t heard about the “hinge pins” in the news.  Even though I recall they once closed the entire bridge for a weekend to replace a seized hinge pins.  It was maybe five or ten years ago.  What they need is a laser measure, real time cell phone type reporting system for these bridge “hinges”.  If working right they should have a smooth “curve” of movement.  I might “invent” one and post it on the bridge blog to time-stamp it.  Essentially you have a laser and a mirror on two sides of the “hinge” with a bit of distance.  Let’s say ten feet and a typical Minnesota day night temperature drop of 20 degrees would make the thing flex say one inch.  Heck, my ten dollar Harbor Freight laser measure can measure one hundredth of an inch at that distance.  The can laser measure the mirrors left on the moon to within inches in distance and do so a couple of times a week.  Obviously I bridge hinge unit would be more “robust” than my laser ruler but it would still be cheap.

    The expansion/contraction “flex” should be a nice smooth “curve”, not jagged.  Data would be stored and periodically uploaded much like you would with a water temperature buoy.  It would be easy to write a computer program that notes non-data or “jagged” hinge movement. 

    If it is the “hinges” it could be a larger problem in more arid areas.  Beyond sand they can often have day-night temperature differences that are three to four times greater than we have here in Minnesota.

    Like usual, I am technologically way over my head but that’s the way I like it.  I know how to research and I generally enjoy doing it.

August 2, 2007

  • My thoughts on the 35W bridge collapse here in Minneapolis

     

    Pretty much “wall to wall” coverage on local TV.  Basically pretty responsible and respectful coverage.  The official death toll is down to four but that is only post medical examiner.  20 to 30 cars submerged.  No extraction and 20 to 40 people “missing”.

    The emergency response process seemed to work very well and will be a textbook model on how it should be done.  One big factor was a metro wide emergency communications compatibility project.  That started maybe twenty-five years ago.  One of the regulars in the Hennepin County mainframe computer room when I worked there was deeply involved in this and shared updates.  Five years ago when I left the computer room the process was basically complete.  They basically “play” with the system at the Minnesota State Fair, which is in the middle of the cities and borrow a lot of cops and cop cars for the event.  This seemed like the first “real life” test and the system seemed to have worked well.  That is reassuring for the Republican Convention next year.

    As for the cause of the collapse, that will take time but I’ll bet on the “hinge pins”.  If you watch the footage you will notice that the bridge pylons are rather thin and “spindlly” looking.  The basic idea was that the the bridge would “rock” on what are basically giant “hinges”.  A few years back they closed the bridge for a weekend to jack it up and replace a few of these “hinge” pins that have sieze. That sound to me like the key culprit.  It’s like that “creaky” barn, boathouse or cellar door.  It cause tremendous stresses.  My guess is that the NTSB investigators will first go after these “hinges”.  You cut them open and look for corrosion fusion. 

    As for my theory, I know the basics but am not an engineer, some of the “hinges” likely froze up so the main steel arch, a bit under 500 feet got compressed and stressed.  A week or ago we had a cold front move through that was very dramatic.  It had sudden heavy rain and a temperature change of something like 30 F in less than an hour.  The rain and cold would contract the steel arch quickly and if the “hinges” were stuck this could stress the structure.

    On the day of the collapse it got up to 97 and they were pouring concrete for resurfacing.  Curing concrete generates a lot of heat.   A storefront came by at that time.  It apparently did not drop much if any rain downtown but it caused a quick temperature drop.  This might have been “the straw that broke the camel back”.

    An interesting phenomena I heard about on talk radio were people calling in saying that they got calls or emails from relatives and friends around the world asking if they were OK with minutes of when the collapse occurred.  Lot’s of these.  Apparently the story went “global” in less than an hour.

    The area around the bridge was the first wired for the new Minneapolis “WiFi”.  They gave the first 12 hours open access and are apparently letting police, ect have priority.
     

January 28, 2007

  • StarTribune.com

    Last update: January 28, 2007 – 1:29 AM

    Dylan: Still one of us?

    The Bob Dylan exhibit comes to the Weisman next week. How Minnesotan is the Duluth native nowadays?

    When his kids were young, he was often spotted at Little League games or the corner bar. Someone even spied him once on a riding lawn mower, shrouded in a hooded sweatshirt on a hot summer day.

    Ever elusive, Bob Dylan has quietly maintained a Twin Cities-area residence for 33 years, a fact unknown even to many of his devoted fans — though not to his neighbors.

    “Everyone knows he lives across the river,” said Mark Goss, a mechanic who hangs out at the watering hole near the 100-acre farm Dylan and his family own on the Crow River in northwestern Hennepin County. “People don’t gush or [go] ‘Oh! Ah!’ It’s just one of those things. Being from Minnesota, he can’t be famous if he’s from here.”

    But how truly Minnesotan is he? It’s long been a debate, with many claiming the Duluth-born, Hibbing-bred Dylan as their own. Others say he kissed off the state 45 years ago after dropping out of the University of Minnesota.

    An exhibit opening Saturday at the U’s Weisman Art Museum, “Bob Dylan’s American Journey 1956-66,” focuses extensively on his Minnesota youth, but it doesn’t note that he still spends a few weeks here each year.

    In fact, the playful mythmaker who told early interviewers he was an orphan from New Mexico now sounds like a WCCO hometown booster on his weekly XM satellite-radio show.

    He talks about the Twins, plugs Gopher State natives Judy Garland and Prince and has spun a 10,000 Lakes version of Jerry Lee Lewis’ “High School Confidential.” And what could be more Minnesotan than reading recipes on the radio or dedicating an entire program — his first one, in fact — to weather?

    Now enjoying a career resurgence that landed him his first No. 1 album in 30 years, Dylan spoke fondly of his formative years on the Iron Range in his 2004 memoir, “Chronicles Volume One.” He boasted how Hwy. 61 (“the main thoroughfare of the country blues”) and the Mississippi River (“the bloodstream of the blues”) both start in “my neck of the woods.

    “It was my place in the universe, always felt like it was in my blood.” Reclusive but visible

    The farm that Dylan bought in 1974 was where his five children spent the summers of their youth after he and his first wife, Sara, split up. His only sibling, David Zimmerman, also raised his two sons in one of five houses on the land, which is about 40 minutes from downtown Minneapolis.

    Dylan and the kids went to the State Fair, Twins games, concerts at the Orpheum Theatre in Minneapolis (which he once owned) and their grandma’s house in St. Paul’s Highland Park. The boys played Little League baseball with their two cousins.

    “My mother-in-law saw him at a game once, years ago,” said one of his neighbors, Belinda Mahler. “He just kept to himself. That’s how he’s always been around here, very reclusive.”

    His youngest son, Jakob Dylan, spoke of his Minnesota roots in a 2000 interview with the Star Tribune:

    “I’ve spent most of my time in Los Angeles, but it’s not a hometown for anybody. Minnesota, I’ve spent a lot of time there. It’s close to roots that I have. I’ve gone there almost every year since I was 3 or 4.”

    The elder Dylan long has had homes in California and New York and reportedly just bought a castle in Scotland. Still, he echoed his son’s comments in a 1978 interview with the Minneapolis Star:

    “I feel Minnesota more than I feel New York or L.A. My work reflects thoughts I had as a little kid that have become superdeveloped. … That’s where I feel rooted, you know. I feel more familiar with the landscape, the people and the earth, I think. I feel more at home there.”

    At his Minnesota farm, which houses a recording studio, Dylan wrote the bulk of his landmark 1975 divorce album “Blood on the Tracks” and later worked on 1983’s “Infidels.” He spent more time there in the 1980s and ’90s, when his mother lived in St. Paul.

    “It’s a place where he could go just to be left alone,” said Clarence Spartz, who did construction and caretaker work on the property for 30 years. “At the time, it was far away from everything.”

    Spartz recounted scenes of Bob and his family hanging out by the swimming pool, digging in the garden and chopping firewood. While the Dylans typically flew into the Twin Cities on a private jet, they never arrived in a limo or drove in anything flashy, aside from a pair of vintage Thunderbirds that neighbors recall.

    “They really were the nicest family to work for, from the kids on up to Beatty [Rutman, Dylan’s mother], who I really got along with,” said Spartz, 84, who worked on the property until 2000, the year Beatty passed away. “When his mom was still alive, [Dylan] was out there a lot.”

    Since then, he has spent half of each year on tour, retreating to the Minnesota compound three or four times a year, a week or two at a time. His brother’s family still lives there. The houses are not easily seen from the road or the river, and there are no names on the mailboxes.

    One neighbor has the misfortune of sharing the family’s last name. “We used to have hippies who’d camp out in our front yard with guitars thinking they were at Bob’s house,” said Randy Zimmerman, whose late father farmed some of the land owned by the more famous Zimmermans. “It hasn’t been a problem lately. Most folks not from around here don’t even know he’s out here.”

    Gopher booster Minnesota has always shown up in Dylan’s work, beyond the obvious references in such songs as “Girl of the North Country.”

    His onetime boss, pop star Bobby Vee, said Dylan’s “On a Night Like This” is his “favorite frozen-north love song. ‘The air is so cold and the snow so deep’ — he didn’t learn that in California. Pure Iron Range. You have to live it!”

    When Dylan received a rousing response to “Tangled Up in Blue” at a 1997 concert in St. Paul, he told the crowd: “You can’t sing and play like that unless you come from around here somewhere.”

    The music icon seems to have a permanent scowl on his face, but St. Louis Park singer-songwriter Dan Israel insists that he’s Minnesota Nice, “not in the silly ‘Fargo’ sense, but rather in terms of compassion, empathy and heart-on-the-sleeve pain that comes through in classic songs.”

    When he was young, however, Dylan eschewed his Gopher background. “If anything, obscuring his past because he thought Minnesota wasn’t cool enough — that is so Minnesotan,” said Colleen Sheehy, curator of the Weisman exhibit.

    In his hometown, a few folks thought Dylan got too big for his boots. When he attended his 10th high school reunion in 1969, he was supposedly insulted by some classmates after they had a few drinks. Thereafter, the hero pretty much didn’t go home again.

    He made a rare return to Hibbing in 2004 for the funeral of his brother David’s mother-in-law.

    “He was sitting at the pew at the church and I put my arm around him and said hello,” said B.J. Rolfzen, Dylan’s high-school English teacher and former neighbor. “We talked a bit. When he left, he said to me: ‘You taught me a lot.’ He didn’t have to do that. He was a gentleman always. He would be, because he came from a wonderful family.”

    At heart, “he’s a Ranger,” said Karal Ann Marling, American studies professor at the U of M. “Obdurate like rocks, deep as ore, an old soul.”

    Jon Bream • 612-673-1719 Chris Riemenschneider • 612-673-4658

January 8, 2007

April 28, 2006

  • Friday, April 28, 2006
    Interesting angle on the immigration debate.  Low skill US born
    workers displaced by immigrants might migrate to low immigrant areas
    like here in Minneapolis   Especially, in North Minneapolis,
    the “bad” area of town  there seems to be a large increase in
    crime, especially murder and arson.  We might reach a point again,
    as in the mid 1990′s when Minneapolis “aka Murderapolis” had a higher
    murder rate than New York City.  Minnesota has among the highest
    welfare benifits in the US with no residency requirement.  The
    people in the poorer neighborhoods, most of whom are just poor, not
    criminals take the brunt of this crime.  Our “white progressive
    do-gooders” care not a wit about these law abiding low income
    people.  Here is the link and story text.

    http://vdare.com/rubenstein/060427_nd.htm

    VDARE.COM – http://vdare.com/rubenstein/060427_nd.htm

    April 27, 2006

    National Data, By
    Edwin S. Rubenstein

    WSJ Edit Page
    Contradicts Self on Immigration, Minimum Wage

    When
    supply goes up,

    price goes down.
    Few economic principles are

    less controversial.
    Unless, that is, we’re
    discussing the economics of immigration.

    Thus, in
    a recent study of local labor markets, U.C. economist
    David Card claimed to find that

    low-skilled foreigners
    have had little or no impact
    on native wages.

    As
    usual, this result was immediately seized upon and
    amplified by the

    immigration enthusiasts’ MSM echo chamber,
    for
    example the Wall Street Journal Editorial Page. [
    The
    Impact of Immigration
    ,
    By Pia Orrenius, April
    25, 2006]. And, as usual, it’s wrong.

    Card
    focused on local labor market trends. He highlighted the
    dramatic rise in

    immigrant labor force
    shares between 1980 and 2000
    for selected cities, as follows:
    (Table 1)



     

    1980


    2000




    bullet New York:


    23.2 percent 41.8 percent



    bullet Los Angeles:


    25.3 percent 47.8 percent



    bullet Miami:


    41.1 percent 61.2 percent



    bullet Houston: 


    9.4 percent  26.0 percent



    bullet San
    Francisco:


    17.0 percent 36.4 percent



    bullet All cities:


    9.5 percent 18.0 percent


    Card
    then goes on to measure the relationship between a
    locality’s immigrant worker share and the relative wages
    of

    native dropouts
    in that locality. His conclusion:


    “Looking across major cities,
    differential immigrant inflows are strongly correlated
    with the relative supply of high school dropouts.
    Nevertheless, data from the 2000 Census shows that
    relative wages of native dropouts are uncorrelated with
    the relative supply of less educated workers, as they
    were in earlier years….Overall, evidence that immigrants
    have harmed the opportunities of less educated natives
    is scant.”
    [David
    Card,

    “Is the New Immigration Really So Bad?”

    Department of Economics, UC Berkeley, January 2005.] 

    (Number
    nerd note: the correlation coefficient—r-squared—between
    immigration and the relative wages of native dropouts
    was a positive but miniscule 0.001)

    In fact,
    the “no correlation” result probably says more
    about Card’s research methodology than economic reality.
     

    We are a
    mobile society. Flows of capital and labor among U.S.
    cities distribute the impact of immigration

    throughout the country.

    But if
    immigrants gravitate to cities with above-average wage
    growth, there would be appear to be a positive
    correlation between immigration and wages even though
    the

    influx of foreign workers
    may keep wages lower than
    they would otherwise be. Similarly,

    low-skilled natives
    are apt to shun

    high immigration cities
    , or

    leave them
    in search of better opportunities
    elsewhere.

    As
    economist George Borjas has demonstrated, a
    comprehensive accounting of immigration’s impact on the
    U.S. labor market requires a national rather than a
    local perspective—and does indeed show that immigration
    drives down wages. [The Evolution Of The Mexican-Born
    Workforce In The United States,
    National Bureau of
    Economic Research Working Paper, April 2005 (
    PDF)]

    While
    Card acknowledges potential problems with his
    city-by-city approach (i.e., native dropouts may move
    out when immigrants move in) he claims to control for
    this, and is quick to attack the national framework of
    Borjas and others. His complaint: they focus only on
    total population rather than the immigrant share of
    dropouts and other skill groups. In fact, Borjas

    does disaggregate by educational level,
    finding the
    drag on native wages greatest at the top and bottom of
    the education spectrum.

    Indeed,
    in his current paper, Card inadvertently presents some
    evidence suggesting that this

    out-migration
    has occurred. Here are his figures
    showing that, between in 1980 and 2000, native dropouts
    fell as a share of the native workforce in—perhaps
    because they moved away:
    (Table 2.)




      1980 2000



    bullet New York:


    26.4 percent 17.5 percent



    bullet Los Angeles:


    19.5 percent 14.4 percent



    bullet Miami:


    23.3 percent 18.6 percent



    bullet Houston:


    25.1 percent 15.5 percent



    bullet San Francisco:


    14.3 percent 6.9 percent



    bullet All cities:


    23.0 percent 13.0 percent

    This is
    not the first time Card has cut corners to make a point.
    During the

    Clinton years,
    he shook up the economics profession
    with a series of studies that apparently showed that a
    higher minimum wage would have no impact on employment.

    In one
    such study, used by the Clinton Administration to
    justify a minimum wage increase, Card and his co-author,
    Princeton economist Alan Krueger, used data obtained in
    a telephone survey of fast food restaurants to claim
    that increasing the minimum wage did not depress and
    might even expand the demand for labor.
    ["Minimum
    Wages and Employment: A Case Study of the Fast-Food
    Industry in New Jersey and Pennsylvania
    ,
    "
    American Economic Review,
    September 1994]

    Back
    then, the Wall Street Journal Editorial Page was
    quick to attack this counter-intuitive result. (See, if
    you care to

    pay
    for it, Dog bites man: Minimum wage
    hikes still hurt,
    By Richard Berman Wall Street
    Journal,
    March 29, 1995 or Higher Minimum
    Wage, Higher Dropout Rate,
    by

    Robert J. Barro,
    Wall Street Journal, January
    11, 1996[not online for free])

    But
    where is the Wall Street Journal now that the
    same trick is being played to justify immigration? [Ask the WSJ]

    At least
    Card is consistent in his liberal bias.


    Edwin S. Rubenstein (email
    him) is President of

    ESR Research Economic Consultants
    in Indianapolis.


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