U.N. Monitors Exit Syria, Failing to Stop Bloodshed

Aired: 8/23/2012 | 0:08:19 | Clip
Independent estimates say 20,000 have died since the Syrian uprising began. Now, U.N. monitors have left, failing to stop the violence. Jeffrey Brown reports. Then Margaret Warner talks to the Guardian's Ghaith Adbul-Ahad, who has been following Syrian rebels on the ground as they struggle to hold government troops at bay.