The question should be how could an American vote for Obama.
Should not any person that wants to be the President of the United States at least believe in their core that America is the greatest Nation on the planet and its people are the best?
I know it is not a written requirement in the Constitution but it is one of those things that our founders could never have believed needed addressed.
Vote for a real conservative. Vote for Bob Barr, or write in Tom Tancredo or Lou Barletta.