Threats are ahead. National security can’t look backward

PEAKING BEFORE THE U.N. in 1987, President Ronald Reagan said, “Perhaps we need some outside universal threat to make us recognize [our] common bond. I occasionally think how quickly our differences worldwide would vanish if we were facing an alien threat from outside this world.” Reagan’s focus was avoiding conflict between countries rather than within them, but the coronavirus must do the work of that alien invader, inspiring cooperation both across borders and across