The Postal Service is America’s lifeline. Save it

As business skyrockets for Amazon and other online shipping and delivery services during the pandemic, it’s tempting to ask whether it’s time to pull the plug on the U.S. Postal Service, with its every-door every-day delivery schedule, its bricks-and-mortar neighborhood service centers, its unwieldy pension burden and the enmity of President Donald Trump and much of the GOP establishment.