U.S. on Sony Breach: North Korea Did it

U.S. officials now believe North Korea is behind the attack that took down Sony Pictures Entertainment’s computer network and posted contents on the Internet, but the government hasn’t decided whether to formally accuse the country of carrying out the hack, according to The New York Times.
The Obama administration is split on how to respond, with some in the White House concerned there might be no effective punishment to deliver and that it might have some embarrassing explaining to do