Vali Nasr, author of "The Shia Revival," and UC San Diego sociologist Gershon Shafir explore the tensions between the Shiites and Sunnis and how the longstanding rivalries have affected the Middle East in this discussion led by historian Michael Bernstein, the dean of UCSD's Division of Arts and Humanities. Series: "Body Politic, The" [Public Affairs] [Show ID: 12120]