Among the many lasting cultural changes this pandemic is poised to bring about will be serious shifts in the entertainment industry. China started reopening its dormant movie theaters just as the U.S. box office “hit zero for the first time†last weekend. The lights were back on at only 5 percent of the country’s cinemas, and ticket sales were paltry. Now they’re dark again. As of Wednesday, more than 26,000 AMC employees were laid off or furloughed, including all 600 members of the China-owned theater chain’s corporate staff.Among the many lasting cultural changes this pandemic is poised to bring about...