TANYA NOLAN: As President Bush calls for resolve in the face of attempts by insurgents to undermine the elections, a US Senator is calling for American troops to be withdrawn from Iraq. The liberal Democrat Ted Kennedy says the US military is now part of the problem. But, as Washington correspondent John Shovelan reports, even members of Senator Kennedy's own party don't agree. JOHN SHOVELAN: Ted Kennedy calls the war in Iraq President Bush's Vietnam. TED KENNEDY: This is Vietnam again. JOHN SHOVELAN: And just a few days before the Iraqi elections, Senator Kennedy urged the administration for a specific...