SAC Capital has recently agreed to plead guilty to multiple counts of fraud and is expected to be reduced to a family outfit handling the personal fortune of owner Steven A. Cohen, but now the big question is whether Cohen himself will be charged. Video testimony from a 2011 deposition of Cohen has been released by Nick Verbitsky, Martin Smith, and Dan Sugarman at PBS showing the hedge fund owner getting testy and defensive while talking about insider trading. Cohen on insider trading information “The way I understand the rules on trading inside information it’s very vague,” says Cohen. He…