I'm old enough to remember the hubbub over JournoList, a listserv of leftist reporters from different news outlets who convened regularly in a chatroom to strategize how to spin stories and set narratives, such as how to torpedo Gov.Sarah Palin to get Barack Obama elected president. From 2007 to 2010, JournoList was its own echo chamber, as Politico put it at the time. Now the same thing's happening again, with TV lawyers acting as rhetorical wetwork teams covering the trials of their political nemesis, Donald Trump. JournoList was started by Ezra Klein, who now works for the New York Times,...