There's a firestorm a-brewin' over Ron Paul's racist remarks from his campaigns in the 1990s demonstrated by articles in his newsletter and in interviews. I've got a couple of links for those interested:
CNN Report (including excerpts)
I haven't been a Ron Paul supporter mostly because I picked up his white attitude on his own campaign website.
Ron Paul 2008 Racism
Libertarians appeal to me a lot, but not when it comes to complicated issues like race. The solution isn't to pretend that Americans can ignore race, but to address just how they do in fact use race to their personal advantages or to the detriment of others.