Why is the US sending additional troops to Iraq?

Aired: 11/8/2014 | 0:05:21 | Clip
Several bombings in and around Baghdad came one day after President Barack Obama announced plans to expand the US role in Iraq. For more on this, Anthony Cordesman of the Center for Strategic and International Studies joins Hari Sreenivasan in the latest installment of the interview series, "War on ISIS."