The 2020 Election: The Effect of Open Primaries

(Source: Wikimedia Commons; Author: Ali Zifan; License: CC BY-SA 4.0)

Like most political science concepts, the term “open primary” is a bit confusing and isn’t always used consistently. Technically, an open primary is one in which you don’t have to be affiliated with a political party to vote in that party’s primary — but, because states have all kinds of different rules about the technicalities of this process, political scientists (or whoever it is that comes up with these…