How Ashton Carter differs from past defense secretaries

Aired: 12/5/2014 | 0:08:34 | Clip
President Obama announced that Pentagon veteran Ashton Carter will be his nominee to succeed Chuck Hagel as secretary of defense. From the White House, Carter pledged his “most candid” strategic and military advice if he is confirmed. Judy Woodruff gets reaction from retired Brig. Gen. David McGinnis, a former Defense Department official, and Foreign Policy’s David Rothkopf.