In the days since the U.S. and Israel launched the war against Iran two weeks ago, retaliatory strikes around the Middle East and a series of incidents labeled as potential acts of terrorism in other parts of the world have raised concerns about the possibility of Iranian attacks on U.S. soil. Multiple U.S. diplomatic buildings or nearby areas in the Middle East have been struck by Iranian drones, and U.S. diplomatic missions in Oslo and Toronto have been targeted in attacks. Read more: What to