Franklin Sirmans, director of Perez Art Museum Miami, talks about what it takes to build a 21st century museum and breaking down the walls that separate the museum from the community it inhabits.

Knight Foundation president: We're in the biggest disruption to information since the printing press

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.