David Muir sparked a major reaction from his fans when he posted a photo of a very special family member over the Thanksgiving holidays.The TV anchor, 48, delighted his followers with a glimpse into his time away from the studios and a snapshot of his handsome nephew too. MORE: David Muir has 'a million reasons to be thankful' as he shares touching photo David - who calls his many nieces and nephews, his "squad" - captured his family member inspecting a vintage Ferrari, and shared the image with