Libertarians speak out against Ron Paul

Ron Paul is peaking at the right time. Now we learn that he sent out a newsletter years ago that featured ugly, racist screeds. Are there libertarians who are speaking out against this? Yes, here is one: http://www.cato-at-liberty.org/ron-pauls-ugly-newsletters/
Here is another: http://volokh.com/2011/12/22/libertarians-and-ron-pauls-racist-newsletters/
Another: http://www.newsmax.com/Politics/paul-falwell-iran-gay/2011/12/26/id/422121