For television viewers, the holiday season means commercials filled with rosy-cheeked Santas, computer-generated polar bears and brand-new cars festooned with big red bows.This time around, at the close of a hard year, the annual advertising blitz includes stark reminders of the coronavirus pandemic mixed into the usual images of shopping sprees and festive cheer.“Let’s deck the halls — over video calls,” says the narrator of a Christmas-themed Walmart commercial that shows a variety of people in protective masks. A Heineken commercial in a similar vein ends with a tagline that gently acknowledges the challenges of celebrating in 2020: “Happy …
