That raises the question: If not us, who will? Will we see Iranian operatives (Quds Force) going on the attack in Anbar? If so, will the Syrian and Iraqi civil wars merge? And are we looking eventually at one big war from Beirut to Peshawar?
Thomas E. Ricks covered the U.S. military for the Washington Post from 2000 through 2008. He can be reached at email@example.com.