Looking at all the grumbling the GOP has against Rmoney (justified or perceived), there is a divide three ways in the Republican Party.
First, they exorcised the old Rockefeller Republicans as well as the "Reagan Democrats" as being "liberal." As a result, they began to court the Religious Right and ones who live where the buses don't run. This pushes them further to the right.
Now, we look at them in 2012. We see the Republican Party fracturing into three specific movements: