Obama doesn't understand? – A Question about the debate (from Johnny)

After about the fourth or fifth time that the old man said (crankily) that Obama “didn’t understand,” I couldn’t help but wonder – “So the Harvard graduate doesn’t have the depth to wrap his mind around the subtle aspects of these complex issues – but Sarah Palin does?”
Speaking of wondering: How huge would Obama’s lead be in the polls if he was White and his name was John Wayne Stanton or something? ….Johnny