Every day it is becoming clearer that CNN, the once proud ratings giant and unquestioned cable network news leader, has abandoned objective journalism to cultivate obsessive hatred for President Donald Trump. It has “jumped the shark,” meaning that a once distinguished broadcaster has become absurd. The original definition referred to the fifth season premiere episode of the hit TV show Happy Days, in which the main character, Fonzie, literally jumped over a shark while water skiing with his signature leather jacket. It is also a perfect reference to a broadcast network like CNN that has diminished greatly in quality and...