Review Cites Flaws in U.S. Antimissile Program - NYTimes.com: "President Obama’s plans for reducing America’s nuclear arsenal and defeating Iran’s missiles rely heavily on a new generation of antimissile defenses, which last year he called “proven and effective.”
His confidence in the heart of the system, a rocket-powered interceptor known as the SM-3, was particularly notable because as a senator and presidential candidate he had previously criticized antimissile arms. But now, a new analysis being published by two antimissile critics, at M.I.T. and Cornell, casts doubt on the reliability of the new weapon. "