Reaction To The Sony Hack Is 'Beyond The Realm Of Stupid'

It's been a big day for news surrounding the massive, ongoing Sony hack saga.

First, major movie chains announced that they would not be screening The Interview after ​​a nonspecific threat of violence from the​ Guardians of Peace, the hacking collective that attacked Sony. Then, ​the company ​announced it was canceling the release of the movie altogether. Now, the government ​is suggesting that it ​really is ​North Korea behind the attack.

So, yeah, big day.  To help make sense of it all, I called up Peter W. Singer, one of the nation's foremost experts on cybersecurity and cyber war, to get his take. Singer is the author of ​Cybersecurity and Cyberwar: What Everyone Needs to Know and ​Wired for War and is a strategist at the New America Foundation...