Libya today declared a full ceasefire, vowing to halt military operations against rebel fighters. It may not be enough, though, to thwart air strikes from countries, including Britain and France. They're poised to act on a United Nations Security Council resolution authorizing military action to halt Moammar Gadhafi's campaign to crush his opposition. U.S. and European leaders said Libya must do more than offer promises. And there are indications Gadhafi's forces haven't eased up at all.