IRAN said that it had imposed sanctions on 15 more U.S. officials, including former Army Chief of Staff George Casey and former President Donald Trump's attorney Rudy Giuliani, as months of talks to revive a 2015 nuclear deal have stalled. Almost all the officials named served during Trump's administration which imposed sanctions on Iranian officials, politicians and companies and withdrew the United States from Tehran's nuclear deal with world powers. In a statement carried by local media, the Iranian foreign ministry accused the U.S. officials of supporting “terrorist groups and terrorist acts” against Iran, and Israel’s “repressive acts” in the…