Few things in politics are predictable, but one thing is certain: Any police shooting of a fleeing black man, even if he is carrying a gun, will likely trigger a demonstration, if not a riot.
Our reactions to events are dependent on their social definition. The movement known as Black Lives Matter defines the world as a place where American police systematically hunt down black men. Each police shooting of a black man, even before the facts are known and irrespective of the circumstances, is confirmation of this point of view.
To say there have been no unjustified police shootings would be as irresponsible as it is false; but the idea that every police shooting of a black man is part of a systematic campaign of genocide is equally false.
The latest shooting, which took place in Milwaukee, Wisconsin, erupted into a frenzy of flames and violence, with calls for dragging white people from their cars and killing them.