Five sources who spoke with CNN on condition of anonymity said that internal fights over “60 Minutes” have been much more fraught than the viewing public realizes.

The top executive confirmed she was resigning - the latest fallout at the network as its parent company considers settling a lawsuit with President Donald Trump over 60 Minutes

McMahon's exit is the second shakeup at CBS News over the past month, as parent company Paramount is locked in a legal battle with Trump administration.