Rebel forces continue to fight for freedom from the Gadhafi regime. They have taken over much of the eastern part of the country, but experts say that Gadhafi will likely retain his hold on the capital city of Tripoli. Complicating the current and future situation in Libya is the fact that it's a tribal country, with some factions supporting Gadhafi and others fighting with the opposition. To help explain the complex power structure is The New York Times Paris bureau chief, Steven Erlanger. BBC correspondent Paul Danahar reports on the latest from Tripoli.