Can Proportional Representation Heal the Fractured and Dysfunctional American Political System?

It’s well understood that America is intensely divided today and that our divisions have worsened over time. But when did politics turn into an “us-vs-them” war? After all, America has had two major political parties for most of its history. Hard-fought elections, highly charged disagreements, and even political violence are nothing new. So, is the division we feel today exaggerated and should we just get used to it?

In “Why We’re Polarized,” Ezra Klein argues that America’s disagreements are not more dramatic nor our beliefs more divergent than ever before....