Iranian Foreign Minister Javad Zarif's recent travel to New York for a U.N. sustainable development forum was marked by severe restrictions on his movements and sparring in the press with U.S. officials.Already high tensions between the two countries spiked on July 18, the last day of the forum's ministerial meetings, when Washington said it had destroyed an unmanned Iranian drone over the Strait of Hormuz. President Donald Trump claimed the strike was "defensive" and accused the Middle Eastern country of "many provocative and hostile actions."Iran, for its part, denied having lost a drone.…READ FULL ARTICLE