I don't believe Kiran's a diva. IMO she's a nice girl who wanted E.D.'s position when she left, was disappointed, and subsequently went elsewhere.
And nice girls demand the firing of a fellow employee? It seems to me that the proper way for her to have handled this would have been to simply express her dismay of the situation to FNC, try to work out a civilized and ethical solution to the problem, and then seek other employment if a reasonable solution can't be found. This has done nothing but make Kiran seem like a self-centered bully who can't stand not having her way. It's too bad, because she is very talented and was always very good at being fair to conservatives while interviewing.