David Muir shared some insight into his friendship with 20/20 colleague Deborah Roberts as he said she's "always got his back." Deborah featured in the American Strong segment on World News Tonight on ...

NEW YORK -- David Muir, the anchor and managing editor of America's most-watched newscast "ABC's World News Tonight with David Muir" and co-anchor of news magazine "20/20," has been named one of TIME ...