Corporate America's response to the protests over racial injustice and the killing of George Floyd has been about what you would expect: lots of black squares on Instagram, statements by CEOs decrying racism, some silence. Nike posted a video with a twist on its slogan: "For once, don't do it," the company urged, the "it" being choosing complacency or not "being part of the change."

Re:  “Let’s expunge the myth of white supremacy,” editorial, March 19.