David Muir has been going through a 'really heavy time' at the network and now ABC World News Tonight's ratings have been revealed in comparison with NBC Nightly News ...

If this trend continues with Holt behind the NBC Nightly News desk, ABC’s Muir could be beating him in the ratings as consistently as Good Morning America now beats the Today show in short order ...

According to Nielsen ratings, NBC Nightly News averaged 904,000 viewers in the coveted 25-54 demo on Tuesday, while ABC World News Tonight averaged 891,000.