A recent episode of Michael Malice’s “Your Welcome,” featuring guest Dave Smith, lamented Libertarian Party politics. Malice notably despises the party and made a great point that it is easier for libertarians to get elected and make some noise from within either the Democratic or Republican Parties than to change much through a third party—namely, the Libertarians. One reason for this unfortunate circumstance of American politics is Duverger’s Law. In the 1950s, sociologist Maurice Duverger noticed that electoral systems with plurality, single-member district (SMD) voting tended to have two...