ATLANTA — Donald Trump would not be the first president to invoke the Insurrection Act, as he has threatened, so that he can send U.S. military forces to Minnesota . But he'd be the only commander in chief to use the 19th-century law to send troops to quell protests that started because of federal officers the president already has sent to the area — one of whom shot and killed a U.S. citizen . The law, which allows presidents to use the military domestically, has been invoked on more than two

Tag-uri: Donald Trump