This work offers a set of extended interpretations of Madison's argument in Federalist X of 1787, using ideas from social choice theory and from the work of Douglass North, Mancur Olson, and William Riker. Its focus is not on rational choice theory itself, but on the use of this theory as a heuristic device to better understand democratic institutions. The treatment adapts a formal model of elections to consider rapid constitutional change at periods...