Then it's he might have what it takes but he doesn't have the experience. Then it's "white guilt." Then it's Obama's just lucky. Now, Obama is just an idol. For some, it's just painful to see a brilliant and wise person who has it going on. He has energy and inspires enthusiasm and he might actually really be the right person for America for right now, just like Obama says.
Those who underestimate Obama, and there are plenty of those folks, just don't get it. But they could if they opened their minds. But that, I suppose, is what they call a "liberal" thing to do.