In America today, communities are sorting themselves into like-minded bubbles. There are red teams and blue teams, where you're less likely to run into people who disagree with you.
Lately, immigration has been a flashpoint for debate.
But in the border town of McAllen, Texas, it's a part of everyday life.
Carlos Garcia is an immigration lawyer. Ben Wilson is a border patrol agent. Garcia fights to keep people in the country — some of the same people Wilson might arrest.