Wow. Looks like Republicans aren't the only party with a taste for xenophobia. Here's a Super PAC ad that dings Romney for all the standard financial attacks with a sleazy used-car-salesman zeal:

It's not so much the content of the ad that makes me feel dirty as the quality of it. You can be mean, or you can be dumb, but you can't be mean and dumb at the same time without coming across as sleazy.