"You can't say who you would or would not vote for until you know who he is running against. If Obama were running against the Stalin/Mao ticket, you would have to vote for Obama. Morality pertains to the choices you have in reality, and your political choice is necessarily very constrained, so be sure to learn what you can about the candidates and choose accordingly when the time comes. It usually does make a difference when you know what is going on in Washington, how the system works, and where the greater threats are. "