How serious is Herman Cain’s candidacy? Do straw polls matter?

Over at Bloggingheads TV, National Review's Robert Costa and I discuss whether Herman Cain can have a lasting effect on the Republican presidential race after his victory at the Florida straw poll.

As Yahoo! News reported Monday, Cain told me that he considered dropping out of the race on two occasions before the straw poll, but now he's looking to his success in Florida to propel his campaign further. But will it? Or are straw polls meaningless?

Watch the full conversation.