congress and the acting director of national intelligence about the reported now promise that the president allegedly made to a foreign leader. tonight we will talk with someone who was inside the closed-door house intelligence committee briefing today with the inspector general who is at the heart of this controversy. we're also really lucky to be joined tonight by two intelligence community experts who have a lot to teach us. joel brenner is the former inspector general at the national security agency. he was quoted in the original breaking news report from the "washington post" last night. unique perspective on this story. and tom donilon, you have seen him dozens of times in situations with president obama including that memorable photograph from the situation room during the killing of osama bin laden. and harvard law school's recognized authority on constitutional law, professor laurence tribe, will join us later in this hour.