Obama, Medvedev sign treaty to cut nuclear arms

U.S. President Barack Obama, left, and his Russian counterpart Dmitry Medvedev, right, sign a the New START nuclear arms reduction treaty at Prague Castle Thursday, April 8, 2010. (AP Photo/CTK, Michal Dolezal) (AP Photo/CTK, Michal Dolezal)

April 8, 2010 8:04:58 AM PDT
Casting aside years of rancor, President Barack Obama and Russian President Dmitry Medvedev on Thursday signed the biggest nuclear arms pact in a generation, lacing the moment with new warnings of sanctions for an intransigent Iran.