Jane Mayer's expose in the The New Yorker explains how the U.S. is conducting a secret war in Pakistan using unmanned Predator drones. Americans have largely come to accept the Predator drone strikes as necessary but PBS' Tavis Smiley warned the attacks could turn futures generations against the U.S. "Killing is killing and somebody ought to say that," Smiley said Sunday on NBC.

This video is from NBC's Meet the Press, broadcast Oct. 25, 2009.

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