Source for that claim? The documentation suggest Kelly has lost considerable ground since it buffonish behavior at the 1st debate. She was on top prior to the debate, now BOR is back to kicking her ass.
https://www.google.com/search?q=Megan+Kelly+ratings&ie=utf-8&oe=utf-8
Fox News’ Bill O’Reilly Continues To Clobber Megyn Kelly In ...
www.inquisitr.com/.../fox-news-bill-oreilly-continues-to-clobber-megyn-...
Nov 1, 2015 - Earlier this summer, it seemed as if Megyn Kelly was catching up to Bill O’Reilly in the ratings. However, Megyn Kelly has turned off some of her audience, and her ratings show it. ... O’Reilly had Fox News analyst Charles Krauthammer to discuss the debate.
I was very much all for Megan, until she turned on Donald.
Big time in fact.
Now I have completely stopped watching the entire network.