French investigators questioned seven men pointed out by U.S. intelligence but found no evidence they planned to use a Los Angeles-bound jet to launch terror attacks against the United States, French authorities said Thursday. American warnings of a plot had prompted Air France to cancel six flights on Wednesday between Paris and Los Angeles — three in each direction — amid a stepped-up terror alert level in the United States. U.S. intelligence officials told their French counterparts that members of the al-Qaida terrorist network would try to board the planes over Christmas, said a French judicial official, speaking on condition of anonymity. Full Story