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.




Relatively low-level exposure to common pesticides -- probably from residues on foods -- doubles kids' risk of ADHD, Harvard researchers find. The findings come from a nationally representative sample of 1,139 U.S. kids aged 8 to 15 who were tested for ADHD (attention deficit hyperactivity disorder) and had urine samples tested for signs of exposure to various organophosphate pesticides such as malathion.
The first full military commission hearings here since Barack Obama became president and pledged to deliver transparency were no more open than the court process had been under President George W. Bush, critics say.
The Supreme Court on Monday ruled that juveniles who commit crimes in which no one is killed may not be sentenced to life in prison without the possibility of parole. The ruling expanded a principle the court has never endorsed outside the death penalty — that an entire class of offenders may be immune from a given form of punishment.
The Vatican on Monday will make its most detailed defense yet against claims that it is liable for U.S. bishops who allowed priests to molest children, saying bishops are not its employees and that a 1962 Vatican document did not require them to keep quiet, The Associated Press has learned.
British troops in Afghanistan are coming under the fiercest and most sustained assault since the start of the conflict nine years ago, with coalition forces subjected to more than 40 attacks each day in March: double the rate of a year ago.
The federal agency responsible for ensuring that the Deepwater Horizon was operating safely before it exploded last month fell well short of its own policy that the rig be inspected at least once per month, an Associated Press investigation shows.
Left-wing American linguist Professor Noam Chomsky was denied entry into Israel on Sunday, for reasons that were not immediately clear.





























