MH17 crash in war zone poses security challenges

MH17 crash in war zone poses security challenges, but may be aided by more 'eyes' More

Leaders from around the world have called for an investigation into who shot down the Malaysian passenger plane over eastern Ukraine. But how can that be done in the middle of a violent, political conflict? Hari Sreenivasan gets more insight from P.J. Crowley, former State Department official and Mark Mazzetti of The New York Times.

AIR DATE 7/18/14