President Trump's covid-19 diagnosis is a blessing in disguise, because it has given him one last chance to win over millions of reluctant voters who approve of his policies but not of him. His illness has created a moment of sympathy, and with it an unexpected opportunity for a reset. He needs to seize that moment by offering the American people a clear vision for how he will end this pandemic. He may not take this advice, but whether he does may well determine whether Americans give him a second term.
