Super Bowl LIII was perfectly timed to overshadow some strange speculation last week regarding CBS, with reports that the broadcaster wants to swallow an entertainment outfit in the guise of Discovery, Sony Pictures or MGM, prior to revisiting the awkward Viacom merger once the two-year truce ends. Discovery has since denied the report, published by CNBC, but that doesn’t mean Shari Redstone’s hunger for fresh meat has subsided, one she can put in the hands of a new CEO, to be announced as soon as next month to fill the boots of Leslie Moonves. Discovery’s chief corporate operations officer David Leavy said in a statement, “The CNBC story is inaccurate. Discovery is not for sale. We remain extremely confident in…