Shield, Brooks on Iowa Debate, 'Rattling Sabers' Over Iran, Iraq War's Legacy

Listen to the Audio JIM LEHRER: And to the analysis of Shields and Brooks, syndicated columnist Mark Shields, New York Times columnist David Brooks. Mark, last night, Gingrich was clearly the major target of just about everybody. How did he go through it? MARK SHIELDS: Well, Jim, there's a great question. If it's a two-candidate race, all right, it's Shields against Brooks, Shields attacks ...