Labor leaders say their top goal is to keep Obama in office, but some unions are shifting more funding away from the presidential race to local elections, as they battle with states to keep political power and save bargaining rights.Jobless Rates Shape Race in MidwestRunning Mates Trade Punches as Obama, Romney Gear Up for DebateElection Handicappers Say Republicans Face Uphill Climb to Regain Control of SenateGeorge P.