you guys set? you ready? here we go. 3, 2 -- >> that is spider-man's tom holland making good on a promise he made to a real-life super hero, bridger walker, getting a lift in full costume. last year when he was 6 he was gravely injured by a dog when trying to save his little sister. holland promises to bring him to the spider-man set, and, boy, did he deliver. >> how cool is that? >> congratulations to all of them. all right, cnn's coverage continues right now. a very good christmas eve eve. good morning to you. i'm jim sciutto. despite its fast spread across the u.s., here is the good news this holiday season. new studies, several of them, show that the omicron coronavirus variant may be less