Terry Gross

Our guest, Father John Barkemeyer, left a parish on Chicago's South Side to become an Army chaplain in 2003, the year U.S. and coalition forces invaded Iraq. There's a shortage of Catholic priests in the Army, and for much of his current tour in Iraq, Barkemeyer has been the service's only Catholic chaplain in the province of Anbar.

Brian De Palma's films include the horror classic Carrie, the crime epics Scarface and The Untouchables, and the first Mission: Impossible film.

His latest release, Redacted, is a fictional take on a real incident — in which U.S. soldiers who raped and murdered a 14-year-old girl in Iraq. It has strong echoes of his Vietnam War drama Casualties of War.

In a new book, two British investigative journalists dig into the story of Pakistan's clandestine nuclear network — and America's role not just in condoning its ally's nuclear ambitions, but aiding them.

Adrian Levy and Catherine Scott-Clark are senior correspondents for the Guardian newspaper; both previously worked for the Sunday Times of London.

Their book is titled Deception: Pakistan, the United States, and the Secret Trade in Nuclear Weapons.