Washington, United States. Photo by SAUL LOEB / AFP US Secretary of State Marco Rubio shakes hands with Lebanese Ambassador to the US

Washington, United States, Photo by SAUL LOEB / AFP US Secretary of State Marco Rubio (C, back) applauds as he hosts a signing

BEIRUT, LEBANON - JUNE 21: Billboards featuring the late former Iranian leader Ali Khamenei and his son Mojtaba Khamenei, who were killed