The story of an unexpected moment of "bridging"—two opponents share a stage. What happened when Hawk Newsome, leader of a small group of activists from Black Lives Matter of Greater New York showed up at a pro-Trump gathering. Arthur talks to Newsome about how that played out, and with John Powell, Director of the Haas Institute for a Fair and Inclusive Society, about the challenges of sharing your stage (literally or metaphorically) with your ideological opponent.