How complicated is it to declare opioids a national emergency?

Last week, President Donald Trump said he would finally declare the opioid crisis a national emergency — more than two months after he first promised an emergency health declaration for the deadliest drug overdose crisis in U.S. history."It's a very important step," Mr. Trump said of the emergency declaration last Monday in the White House Rose Garden. "And to get to that step, a lot of work has to be done, and it's time-consuming work." Still, he told reporters, "We are going to be doing