During the hearings, the testier moments were about Benghazi and the drones being used against citizens.
The testimony from Dempsey and Brennan was that Obama only spoke to the them once for about a half hour. Obama never asked another question about the attack or whether the Americans survived until they went to him after the attack.
That tells me there is a real possibility President Obama never gave permission for any serious rescue mission in Libya during the 8 hour attack. Then the fact that Dempsey and Panetta did not speak with Obama makes sense. The only thing they could do was to set a small team in.
Highlights during the senate confirmation hearings of John Brennan for CIA Director: