Tensions erupted during a December incident between CNN colleagues Don Lemon and Kaitlan Collins, who was "visibly upset" after he "snapped" at her for interrupting.
CNN dismissed "Reliable Sources" host and media correspondent Brian Stelter this week in the latest dramatic shake-up under new network CEO Chris Licht.
Fox News contributor Joe Concha discusses CNN's new boss Chris Licht, who has a tall order in front of him as he tries to restore the network's reputation.