extraordinary mystery. >> that really is the key clue at this point, the plane itself. thank you very much to andrew stevens in perth where the planes are taking off to search that area now. another live update at the bottom of this hour. "reliable sources" starts right now. >> good morning. an welcome to washington. i'm brian stelter. today on "reliable sources" i've invited some of the best media experts i know to examine the continuing coverage of malaysia air flight 370. i'm eager to hear what you think too. this has been a story unlike any other. frightening, riveting, heartwrenching and baffling and there's still no ending in sight. but up first, cnn. has been covering the missing malaysian airplane around the clock, that's no news to most of you watching at home, and the coverage has brought this network lots of praise, lots of viewers, but thumb's down from some media watchers. one of the harshest critic has been the king of cable news, bill o'reilly, who seems to hate the wall-to-wall coverage. watch this. >> i -- when i'm watching this