To finally free itself of Les Moonves’ shadow, ViacomCBS needed to bring in some fresh blood. And in George Cheeks, who was named CEO of CBS on Friday, they found it in Viacom’s past. A year and a half after Moonves was forced to resign from CBS, which he led for the better part of two decades, Cheeks offers CBS a chance to completely distance itself from its former CEO and the cultural problems that persisted during, and after, his reign. “NCIS: New Orleans” showrunner Brad Kern was fired by CBS TV Studios shortly after Ianniello took over, following a third misconduct investigation; a few months later, executive producer Adam Targum was also let go after an HR complaint and investigation. While Ianniello did well in a tough spot, having to navigate the company through a messy departure of its CEO and an upcoming corporate merger, his proximity to Moonves was likely too much to overcome for him to be anything more than a band-aid. Also Read: George Cheeks to Succeed Joe Ianniello as CBS Entertainment President and CEO in March When he took over from Moonves in the fall of 2018, analysts told TheWrap at that time that his...