If you want to figure out someone votes Republican or Democrat, one of the best questions you can ask is: Do you eat at Arby's?

Many of us feel as if America is fracturing - liberals and conservatives living in completely different worlds. But economist Emir Kamenica's research reveals something counterintuitive: we're not actually drifting apart culturally.

We may feel divided and often, we are - but not in the ways we think.

This episode covers:

• Why Arby's predicts voting
• Baby names: Kurt vs. Liam
• Grey Poupon, iPhones, and consumer markers of identity
• Income inequality is up, but cultural distance between rich and poor is stable
• Can we rebuild? Reasons for hope

About Professor Emir Kamenica: Emir Kamenica is the Douglas G. ...