A reader writes:

I am just so tired of these racist attacks on President Obama.  Mitt Romney's father,  George, was born in Mexico.  There are serious questions about whether George's parents were U.S. citizens. Mitt could be called an "anchor baby."  George's citizenship was questioned when he was considering his own run for the presidency, yet not nearly as much as Obama's today.

Well, he was white. Another:

I know Romney's not racist, but he basically said, "No one's ever accused ME of being a foreigner!  So vote for me!" He's not even accusing Obama of being a foreigner.  He's basically saying it's simply bad enough to have a funny name and black skin, because that's going to make some very nice Americans think you're a foreigner, and that's enough of a problem.  And who wants a president like this anyway?

It's also likely to empower fringe jokers such as these: