ABC News anchor David Muir reportedly feuded with a colleague on his way to the top, and when he got there, he found himself being accused of narcissism.

Syracuse native David Muir has been named one of the most 100 influential people in the world.

David Muir, anchor of "ABC's World News Tonight" and co-anchor of "20/20," was named in TIME's list of most influential ...

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 Magazine ...