Reading “Witness” in the era of “Defund the Police,” “MAGA,” and “Flight 93 Elections” — I’m often reminded of Whitaker Chambers,* and all the more so lately. For the last few years, I’ve watched, astonished, and wondered how so many political elites and intellectuals could be so easily seduced by iconoclastic and anti-institutional movements. In all of this, I’m reminded of Chambers’s Witness—specifically Chapter 3…