SAN DIEGO — CNN has become "the publicist for an enemy propaganda film" by broadcasting a video showing an insurgent sniper in Iraq apparently killing an American soldier, the chairman of the House Armed Services Committee said here Friday.Rep. Duncan Hunter (R-El Cajon) called for the Pentagon to oust any CNN reporter embedded with U.S. troops in Iraq."I think Americans like to think we're all in this together," Hunter said. "The average American Marine or soldier has concluded after seeing that film that CNN is not on their side." CNN said it broadcast the brief video to show the threat...