Gates reflects on debates waged behind the scenes of war

Aired: 1/14/2014 | 0:13:03 | Clip
In his new book, "Duty," Robert Gates tackles his time as defense secretary and as witness to how different presidents wrestled with questions of war and peace. Gates sits down with Judy Woodruff to discuss the difficulties of doing business in Washington, the legacy of the Iraq war and nuclear negotiations with Iran.