Some sights are so searing that you can’t unsee them. And, like it or not, you end up seeing the world through them. Reality hasn’t changed; you have, which makes you want to change reality. Right now.
That pretty much describes the cause-and-effect physics surrounding the release, on May 25, of the cellphone video of George Floyd pinned to the ground and having the life squeezed out of him, second by second, by a Minneapolis policeman.