that's happening today. five ceos are testifying before the senate finance committee. but oil companies consistently showing big profit, some in congress want to end billions in taxpayer subsidies to big oil. one exec says that's un-american. libyan leader moammar gadhafi resurfaces apparently to prove that he is still alive. gadhafi hadn't been seen in public for two weeks or so when a nato air strike killed one of his sons and three grandchildren. libyan state television camera panned from a tv screen to gadhafi, showing the date may 11th. they say he's alive and well. cnn cannot confirm that that video is authentic. at least 13 people are dead in the latest round of bloodshed. that in yemen. anti-government activists tell cnn that yemeni security forces