HOLLYWOOD—After a hiatus in 2020 because of the pandemic, the Hollywood Christmas Parade returned Nov. 28, moving through the streets of Tinseltown with its 89th edition to mark the unofficial start to the holiday season—though one still being celebrated in the shadow of COVID-19. Sheryl Underwood, a host on the CBS daytime show “The Talk,” was the grand marshal of Sunday’s parade, which began at Hollywood Boulevard and Orange Street. The parade was conducted on a 3.2-mile, U-shaped route, with its estimated 5,000 participants traveling east on Hollywood Boulevard to Vine Street, turning south on Vine Street to Sunset Boulevard and then west along Sunset Boulevard and back to Orange Avenue. Musicians Marilyn McCoo and Billy Davis Jr. of The Fifth Dimension were among the 61 celebrities and VIPS scheduled to take part, along with actors Danny Trejo, Tom Arnold, and Lou Ferrigno, as well as Jerry Mathers and Tony …