Adam takes us on a journey to illustrate that an expensive border wall wouldn't keep out the majority of immigrants who enter legally and overstay their visas. He then explores how the relatively recent militarization of the Mexican-American border has created an illegal immigrant problem where there wasn't one before, racist mass deportations have historically led to disaster, and immigration courts are a huge mess that are broken from top to bottom.

Adam Conover explains everything people need to know before entering the booth on Election Day.