His limited government ideals were pretty cool, but the whole racist thing makes him garbage:
http://www.cnn.com/2008/POLITICS/01/...l.newsletters/
A lot of his supporters say he had no idea who wrote it, but that's bullshit:
http://www.reason.com/news/show/124426.html
Even if they weren't totally his own words, but someone in his office, he would have approved it before it went out.