Twitter users swarmed disgraced former CBS anchor Dan Rather's tweet which expressed confusion at the recent tonal shift in CNN’s reporting. The newsman and liberal commentator tweeted that something is "going on" at the network on Friday and generated a wave of concern from liberals (and mockery from conservatives) that the network is abandoning the partisan political bent in its reporting. Rather may have noticed, as did many other liberals on Twitter, the two CNN reporters who rebuked Biden’s political "MAGA Republican" speech for employing the U.S. Marines in its presentation. For many liberals this was another concrete sign that...