Iran's neighbors not yet convinced country is behind oil tanker attack Soaring tensions between the U.S. and Iran means more U.S. troops are going to the Middle East. The Defense Department is deploying about 1,000 more troops after the U.S. accused Iran of leading last week's oil tanker attack in the Gulf of Oman. Iran's neighbors are reacting to the tanker attacks in different ways. Charlie D'Agata reports.