with over two minutes of flip-flopping and criticisms. here's just a portion of that ad. let's watch. >> and a real question of seriousness -- seriousness -- seriousness. >> everything that gingrich railed against when he was in the house, he went the other way when he got paid to go the other way. >> you're an embarrassment to our party. >> he's flipped and flopped based on who's paying him. >> he's demonstrating himself to be the very essence of the washington insiders. >> it's about serial hypocrisy. >> it's wrong to go around and adopt radically different positions, because then people have to ask themselves, what will you tell me next time? >> mark, mark mckinnon, how's that going to hurt gingrich? people already don't like him. this isn't about miss congeniality. it seems like they're just saying, this the guy's a nemesis, but don't they want to put a nemesis in the ring with the president, someone to beat him um? again, my thinking. >> they do, but i think that's an effective attack coming from ron paul as opposed to mitt romney.