Obama has a reputation for doing the right thing. He is an honest, straight forward, simple talker. The fact that he chose Biden as his running mate is indicative of the way he is as a person, he wanted someone who would compliment him and would stand up to him when Obama needed that. This is honest politics. McCain chose his VP because he wants more votes. He chose her because she's a female, because she's conservative, and because she's young. Very shallow stuff. Another thing is that Obama has dedicated his life to public service. He cares about our welbeing. McCain doesn't.