Mark Riebling directs the Book Program at the Manhattan Institute for Policy Research.  He co-founded and served as Research Director for the Center for Policing Terrorism, which helps state-and-local police formulate counter-terrorism policy.   He is the author of Wedge: How the Secret War between the CIA and FBI Has Endangered National Security (Alfred A. Knopf, hardcover; Touchstone, trade paperback).  He is general editor of Acts and Documents of the Holy See in the Second World War, a collection of primary sources translated from German, Italian, French and Latin.  He was educated at Dartmouth, Berkeley, and Columbia.  He lives in New York City.