WASHINGTON (AP) - Democrats are considering their next step after President Bush's inevitable veto of their war spending proposal, including a possible short-term funding bill that would force Congress to revisit the issue this summer. Another alternative is providing the Pentagon the money it needs for the war but insisting that the Iraqi government live up to certain political promises. Or, the congressional Democrats could send Bush what he wants for now and set their sights on 2008 spending legislation. Army Gen. David Petraeus, commander of the Iraq war, is expected to brief lawmakers behind closed doors as they cast...