Terry Gross

The team behind the car-racing comedy Talladega Nights is taking another lap. Director Adam McKay and actors Will Ferrell and John C. Reilly talk about their new film, Step Brothers, and the laughs they had making it.

Lt. Col. John Nagl wrote the textbook on counterinsurgency — literally. Nagl was part of the team that drafted a U.S. Army field manual on counterinsurgency. Having completed his tour in Iraq, Nagl talks about how military theory was put into practice in the region.

For soldier Brian Turner, words have the impact of bullets. His poems provide a first- person account of war; The New York Times praised their "attention to both the terrors and the beauty he found among Iraq's ruins."