After Trump called the Iran nuclear deal an embarrassment, Trita Parsi, president of the National Iranian American Council, explains who actually negotiated the deal and what it would mean if Trump pulled the United States out of the deal.

Broderick Johnson returns to discuss My Brother's Keeper and race relations after Obama

Opinion writer Jonathan Capehart talks with newsmakers who challenge your ideas on politics, and explore how race, religion, age, gender and cultural identity are redrawing the lines that both divide and unite America. "Capehart" is a podcast from Washington Post Opinions, with conversations adapted from Washington Post Live events.