>> new details and the interrogation tapes unless breaking news changes everything. this is "studio b" but first from fox at 3:00 in new york, another arab nation is now on the brink of revolution. anti-government protesters in libya claim they have taken control of the nation's second largest city and now the bloody revolt spread to the capital. there are conflicts reports of whether qadhafi left the country. the government denies it. his 41 year power grip on the oil rich nation could be if jeopardy. but one of his sons appearingen on television saying he will fight to the last man standing. and warning that "rivers of blood will flow." this already the most bloody revolt yet in a stunning wave of unrest across the arab world. we are told protesters torched the public building in the capital overnight including