Support WBURCan Sanctions Alone Get Iran To Negotiate?Play04:57Download AudioTom GjeltenJanuary 25, 2012 ShareFishing boats are seen in front of oil tankers on the Persian Gulf waters, south of the Strait of Hormuz. The European Union has announced plans to join U.S. efforts to slow the flow of oil from Iran, the world's third largest exporter. (AP)
