U.S. accuses Gaddafi of violating U.N. resolution

Maria Golovnina and Michael GeorgyReuters March 19, 2011TRIPOLI (Reuters) - The United States accused Libyan leader Muammar Gaddafi on Friday of defying international demands for an immediate cease-fire, hours after President Barack Obama said he faced military action if he did not comply.A U.S. National Security official said Gaddafi's forces were continuing to advance towards the eastern rebel