Former sports commentator, Keith Olbermann, reinvented himself as a political commentator whose specialty was hate-filled rants against Republicans. In 2017, his bile temporarily overwhelmed him, and he withdrew from ranting. He’s back, now, and fouler than ever. His debut video saw him announce in almost-Maoist terms that, once the glorious Biden/Harris era dawns, the running dogs of the Trump presidency (my words, not his) must be “removed from our society”. If you find it as painful to listen to Olbermann as I do, Real Clear Politics has helpfully provided a transcript: Trump can be, and must be, expunged. The hate...