If CNN’s show The Lead With Jake Tapper were a dinner party, you’d cancel it because so many guests bailed out. Just look at the viewership numbers. Tapper’s weekday show, which was just expanded to two hours in April has already lost 75% of its viewers. Worse, the viewership shrunk by 49% from the first to the second quarter of this year. Wait, the news gets even worse – or better, depending on your point of view – than that. Fox News reports that losing 3/4 of the audience is bad enough, but in the crucial demographic 25-54, CNN’s viewership...