Hezbollah's Role in the Bloody Syrian War Comes at a Price

Aired: 6/3/2013 | 0:10:31 | Clip
Hezbollah troops, among the best-trained and equipped in the Middle East, have been helping the Assad regime fight in combat. Margaret Warner reports from Lebanon on the various sectarian and regional conflicts motivating Hezbollah's participation in its neighbor's conflict and the increasing attacks in Lebanon by Syrian rebels.