With states lifting their coronavirus restrictions according to their own timetables, Americans are facing a bewildering multitude of decisions about what they should and should not do to protect themselves and their neighbors. Is it safe now to join the crowds at the beach or go out to eat at a favorite restaurant? To visit the elderly parents you haven’t seen in nearly two months? The less-than-satisfying answer from the experts is: It depends. The quandary comes as the confirmed death toll from coronavirus in the U.S. has surpassed the 58,220 American service members killed in Vietnam, according to a Johns Hopkins University count.