In this conversation recorded on May 27 for Washington Post Live, political speechwriter Jeff Nussbaum talks about the undelivered speeches that would have rewritten history from the likes of John Lewis, Richard Nixon and Hillary Clinton.

Eric Holder on the violent past and imperiled future of voting

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.