Obama never looked at the audience - looked at the pastor some, but mostly his eyes kept going to down to below the top of the whatever it is they sat behind, as if he had the answers there to read...just below the surface of the 'whatever' = He eyes went down in the same way the Rev.s did when he read his questions.
McCain never looked down, but always either at the pastor or the audience. He didn't need a cheat sheet...
Without a teleprompter or third party doing all his thinking he is so generic you might as well be chatting with a computer.