Jacob Hornberger takes a look at the differences between the 3 political entities. As he notes, there are some deviations between individuals in those camps, but by and large they do manage to fit the mold when we take a look at the big picture. Conservative and Liberals talk up their differences, but in the end, they're not all that different.
Hornberger's Blog - Liberals, Conservatives, and Libertarians: What’s the Difference?
Hornberger's Blog - Liberals, Conservatives, and Libertarians: What’s the Difference?