Donald Trump has long had two cherished American institutions standing beside him as he railed against athletes taking a knee during the national anthem: NASCAR and the NFL. This week, they both started to walk away. Bending to the cultural moment, NASCAR and the NFL in recent days reversed course on their approach to athletes protesting racial injustice. NFL Commissioner Roger Goodell said he had been wrong for not listening to protesting players earlier and encouraged “all to speak out and peacefully protest.” Meanwhile, NASCAR relaxed rules barring kneeling during the national anthem and banned Confederate flags from its events....
