The U.S. blockade on Iranian oil exports has so far stranded at least 50 Iranian tankers laden with oil inside the Persian Gulf near Iran’s coastline, U.S.-based non-profit and non-partisan policy organization United Against Nuclear Iran (UANI) said in its latest shipping update this week. After the collapse of the ‘deal to make a deal’, the U.S. Navy reinstated in mid-July the blockade in the Gulf of Oman outside the Strait of Hormuz to force Iran’s oil exports to zero and gain leverage in negotiations. As of early October,…