Renowned philanthropist and art collector Aggie Gund stunned the art world when she sold a painting for $165 million and then used most of the money to start the "Art for Justice Fund" with Ford Foundation President Darren Walker.

Trita Parsi explains why pulling out of the nuclear deal with Iran would be harmful

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.