The U.S.-Iran deal due to be signed Friday may offer some hope for tens of thousands of commercial sailors trapped in the Strait of Hormuz, but it's unlikely to quickly end what for many has been a brutal ordeal. "It is, at best, the beginning," the International Transport Workers' Federation, a global association of transport workers' unions,  said in a statement Monday. Both Iran and the U.S. have detained and attacked commercial vessels accused of transgressing regulations imposed on the