David Muir embraced the Thanksgiving holiday wholeheartedly as he took a break from his journalistic career to celebrate with his loved ones. The World News Tonight anchor gave fans a sneak peek at his short time away with a snapshot and message he shared on Instagram. SEE: David Muir's dashing dad is his double in remarkable throwback photoIn the photo, David was snuggling his dog, Axel, and he wrote: "A million reasons to be thankful - wishing you a Happy Thanksgiving.