TEXT: Nizar Zakka, right, a Lebanese citizen and U.S. permanent resident, who was released in Tehran after nearly four years in jail on charges of spying, smiles as he stands next to his wife Ghinwa, at the presidential palace, in Baabda, east of Beirut, Tuesday, June 11, 2019. Zakka a Lebanese businessman was allowed to fly to Lebanon, a development that comes amid heightened tensions between Iran and the U.S. after President Donald Trump withdrew America from Tehran's nuclear deal with world powers. (AP Photo/Hussein Malla)