Back in February, I was riding on the New York to DC shuttle and CNN’s own Jeff Zucker was seated in the row behind me with a woman I took to be a colleague or personal assistant. She was yelling loudly into her phone, loudly enough that the other passengers took note of it, at one point escalating her voice to say: “If they want war with CNN, they got it.” When we landed, I noted the likely inspiration for the call: the administration had offered Mike Pence to every network except for CNN. Since the new administration arrived in...