The U.S. State Department announced on Friday that it started evacuating "non-emergency" government personnel from the embassy in Israel and their family members, citing "safety risks" amid growing tensions with Iran.Why it matters: The decision signals that a joint U.S.-Israeli military campaign against Iran could be imminent. In such a case, Iran could launch ballistic missiles toward Israel and U.S. diplomatic and military targets in the region.Earlier this week the U.S. evacuated all non-ess...