Jaime Harrison, a Democrat, is vying to become South Carolina’s second black sitting U.S. senator. Here's why his race to defeat the incumbent, Republican Lindsey Graham, has gone from improbable to possible.

Capehart

Think no one can defeat Lindsey Graham?  'Watch me!' his Democratic opponent says.

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.