ABC's Bet on David Muir of 'World News Tonight'

abc bet ABC hopes that David Muir's blend of youth, approachability and off-the-cuff tweets will attract young viewers to “World News Tonight ”

ABC News presidential debate at the National Constitution Center, Tuesday, Sept 10, 2024, in Philadelphia by abc slot ABC News presidential debate at the National Constitution Center, Tuesday, Sept 10, 2024, in Philadelphia by