Nick Timiraos

By February 2020, the U.S. economic expansion had become the longest on record. Unemployment was plumbing half-century lows. Stock markets soared to new highs. One month later, the public health battle against a deadly virus had pushed the economy into the equivalent of a medically induced coma. America's workplaces—offices, shops, malls, and factories—shuttered. Many of the nation's largest employers and...