In a 1977 release, the Talking Heads included a lyric in one of their songs that somehow foresaw the approach to be employed by White House press secretary Karine Jean-Pierre (KJP): “You’re talking a lot, but you’re not saying anything.” In the view of many observers, the daily double-talk from the White House podium by KJP came on like a come-on from a carnival barker: instead of presenting straightforward, unvarnished truths from the briefing room lectern, listeners were subjected to a daily diet of kaleidoscope logic. The main reason her versions of events worked for as long as they did...