Hilarious live gaffe on David Muir's World News Tonight that 'triggered behind the scenes meltdown'

The issue occurred just as Muir, 52, began to segue into the day's news, and sent staffers in the control room frantically ...
Nicki Swift on MSN

David Muir's fragile ego has been put on full display more than once

That infamous cinched jacket made David Muir's focus on vanity hard to miss, and it was far from the only moment his fragile ...