MEXICO CITY—In mid-March, as governments around the world were imposing lockdowns and other restrictions to slow the spread of the coronavirus, Mexican President Andres Manuel Lopez Obrador was upbeat. He waved off “this idea that you can’t hug” as a result of the virus. “You have to hug each other,” he insisted. “Nothing will happen.” At a press conference on March 18, he pulled out his wallet to show off the religious images, four-leaf clover and $2 bill he carries for good luck—and as protection, he claimed, from COVID-19. A few days later, he encouraged people to keep going out […]