This week in Studio 360, novelist Walter Kirn explains how Twitter and Walt Whitman are helping him make sense of the Arizona tragedy. The cartoonist Garry Trudeau looks back at forty years of Doonesbury. And comedian-musician Reggie Watts explains the universe.
VIDEO: Reggie Watts and Janna Levin stop by WNYC’s Jerome L. Greene Performance Space to school us in our live show on Theoretical Physics.