David Muir admitted he was 'in denial' as he paid a special tribute to a beloved ABC World News Tonight colleague.

"She's been at ABC News for more than 30 years. And if you look closely, this wide shot of the studio before we go on, the ...

David Muir gives a behind the scenes look at the person who takes the evening news show on and off the air every night – ...

Jackie Jesko also talks to THR about her and the producers' "careful" approach to discussing motherhood and what surprised her most about Walters' life during her research.