U.S. blames North Korea for Sony cyberattack, vows 'consequences'

By Aruna Viswanatha and Steve Holland WASHINGTON (Reuters) - The U.S. government on Friday blamed North Korea for a devastating cyberattack against Sony Pictures, calling it an unacceptable act of intimidation and vowing to impose "costs and consequences" on those responsible. It was the first time the United States had directly accused another country of a cyberattack of such magnitude on American soil and sets up a possible new confrontation between longtime foes Washington and Pyong