Go Mitt Go! And take this video with you!

Politics fans hoping for a brokered convention are rooting for Romney to take the Florida primary. This would prevent the national media for tagging John McCain with the "front-runner" label, and keep the race wide open.

Plus, there's the fact that, should Romney end up the nominee, the McCain people have already prepared the perfect attack ad for Democrats to use. The video is after the jump.

This video deals a devastating blow for Romney for two reasons. First, it's neither a pro-liberal nor pro-conservative ad, and hence is useful from multiple perspectives. Second, it portrays Romney as what many have already decided he is -- a cunning politician who will say anything to be elected.

These aren't minor positions about which we see Romney speaking out of both sides of his mouth. Reproductive choice, gun control, the legacy of Ronald Reagan's policies -- these are the biggies. And however you come down on them, it has to be disconcerting to see a candidate speaking so forcefully, so confidently, on both sides.

This isn't flexible, nuanced thinking. This isn't even the mealy-mouthed flip-flopping people accused John Kerry of. This is a man who is capable of changing core positions based on political expediency. That's why it's effective for McCain, and will be if the Democrats get the chance to use it, too.