Urban Warfare in Gaza the 'Most Difficult Combat Environment on the Planet,' Says Military Expert

As Israel's potential ground offensive into Gaza looms, we take a closer look at the difficulties the operation could face. Joining NTD now is Darin Gaub, a retired Lt. Col. in the U.S. Military and a veteran of four deployments to the Middle East. He's now the co-founder and national spokesperson for Restore Liberty.