In the middle of the national upheaval from the death of George Floyd some people have used a quote from Martin Luther King, Jr. to explain the rioting: “A riot is the language of the unheard.” That is true but...

I have been accused of being a deep-diving duck.  My wife accused me of this, in different words, only yesterday. I like to dive down to the depths of things, in both the literal and the metaphorical senses. As a...