Bob and Maureen Thrash in their outdoor tent for safe holiday gatherings. Denise Wood lives alone in Denver, and that's how she’s spending Christmas this year — alone. “I am trying to make it as festive as possible, and I am trying not to dwell on how bad I feel about being here alone,” she said. Her only daughter lives in California. They decided not to travel to see each other because of COVID-19. Wood moved all of her usual Christmas celebrations online to lower her risk of getting sick. “My daughter and I had set up a cookie exchange across the miles,” she said. “And in ...