"After the 2008 primary season, I analyzed Ron Paul’s performance in
each state to see how institutional factors such as caucus and primary
form affected his electoral success. This exercise turned out to be
useful for estimating the size of the pro-liberty electorate in each
state. In this post, I do the same with the 2012 results. ..."
http://pileusblog.wordpress.com/2012/09/10/understanding-ron-pauls-2012-presidential-primary-performance/