Jeremy Scahill on ‘Dirty Wars,’ Tsarnaev brothers
06:01Author Jeremy Scahill joins Martin Bashir to talk about his new book, “Dirty Wars: The World is a Battlefield,” which chronicles the “dark side” of U.S. counterterrorism, including the use of drones – and what it may teach us about Dzhokhar and Tamerlan Tsarnaev.