President Donald Trump has ordered the creation of new federal and military “specialized units,” framed as a move to ensure public safety in Washington, D.C., and beyond. In the order signed on Monday, he directed federal agencies and the Pentagon to hire, train, and equip rapid-response forces for deployment in the capital, “other cities,” and, potentially, “nationwide.”The order, titled “Additional Measures to Address the Crime Emergency in the District of Columbia,” builds on Executive Order 14333 of August 11, which first declared a “crime emergency.”Trump justified the latest move by claiming that “rampant violence and disorder” threaten the federal government...