Why is Chuck Hagel stepping down?

Aired: 11/24/2014 | 0:09:17 | Clip
As secretary of defense, Chuck Hagel has faced a number of tough challenges, including the Syrian conflict, the rise of the Islamic State and the future of U.S. forces in Afghanistan. Judy Woodruff takes a closer look at the reasons behind Hagel’s resignation with Thomas Donnelly of American Enterprise Institute and P.J. Crowley of the George Washington University.