According to the NYT, this interview that Don Lemon conducted last week with Vivek Ramaswamy played a role in his firing. Note co-host Poppy Harlow sitting in uncomfortable silence and even at one point looking at her phone while Lemon goes after Vivek.
@atrupar, wow, this is what we keep saying journalists should do when people present demonstrably inaccurate information as "opinion" or "viewpoint." But I guess "we" aren't in charge of CNN.