how much are they going to disclose during these hearings? how much will he say that's classified and i can talk to you about that but we'll have to go behind closed doors. >> this is the big question. what kind of testimony will they give in open session? it's an unknown. we have got to have answers from david petraeus and james clapper. these are people in a unique position to shed light on the discussions taking place during the attack itself, how they came up with the story that was sold to the american people that we know was misleading in the aftermath and can speak to this question that rudy julian write raised that you mentioned earlier. what did the president know, what was the cia briefing on these earlier attacks. what was happening in benghazi. what did we know about ansar al-sharia. what was the cia briefing the president before and was he engaged on these issues. bill: these hearings will take