Did U.S. Strike Back For Sony Hack? Massive North Korea Internet Outages Reported

North Korea's already shaky Internet has gone fully dark, several media outlets are reporting today, citing experts and sources inside the country. The shutdown, if that's what it is, comes just days after President Barack Obama said the U.S. "will respond proportionally" to North Korea's cyber attack on Sony Pictures. The Associated Press reported today that the White House and the State Department declined to say whether the U.S. government was responsible for the�