If there was some doubt that Barack ObamaBarack Hussein ObamaTrump taps vocal anti-illegal immigration advocate for State Dept's top refugee job The federal judiciary needs more Latino judges Obama plans to use Netflix deal to stop political divisiveness MORE would carry California, the Field Poll helps erase it.

Obama leads John McCainJohn Sidney McCainSenate panel advances 6B defense policy bill McCain: Trump pardoning Jack Johnson 'closes a shameful chapter in our nation’s history' Trump pardons late boxing champion Jack Johnson MORE 54 percent to 30 percent. Among Obama supporters, 54 percent said they're very enthusiastic about their candidate, while just 17 percent of McCain supporters said that.

Though the Illinois Democrat lost his party's primary to Sen. Hillary Rodham Clinton (D-N.Y.), her absence from the ticket makes little difference. Just 9 percent of Democrats polled said that not choosing Clinton makes them less inclined to back Obama in November. More Democrats than not -- 48 percent to 40 percent -- oppose Clinton as the Democratic vice presidential nominee.