then david reubenstein discuss his book, the day the presses stopped, the history of the pentagon papers case. be sure to watch "washington down"live at 7:00 eastern saturday morning. join the discussion. >> for nearly 20 years, "in depth" on booktv featured the nation lazy best known nonfiction writers to for live conversation about their work this, year, we're featuring best selling fiction writers for the monthly program. join us on sunday at noon eastern with david ignatius, the author of several national security thrill including agents of innocence, body of lies, blood money, and his most recent, the quantum spy. the special series, with awe they're david ignatius, sunday, live from noon to 3:00 p.m. eastern on booktv, on c-span2. >> andrew carroll is founder of the legacy project, an effort to preserve soldiers war correspondence and talked about world war one as described by general john pershing, commander of the u.s. forces. this is an hour. [inaudible discussion]