Real cultural diversity results from the interchange of ideas, products, and influences, not from the insular development of a single national style.

People feel better because Donald Trump says all kinds of things no one else would say and we get certain tendencies out of our system. So if attacking immigrants, say, is a substitute for doing something worse, there's at least a scenario under which that's a better alternative than something else that might have happened.

Here's the positive scenario: that something has been going wrong in American society. You see it in wage growth, opioid abuse, many other social indicators, as you know. Sometimes it's better to get the bad reaction to that over with quickly while your civil society still is strong and you can react and respond and protest, and you know, four or eight years from now, make another decision, and maybe it's better to have that happen in 2017 than 20 years later when some of our problems are worse and our national mood is worse.

The key questions will be: Are you good at working with intelligent machines or not? Are your skills a complement to the skills of the computer, or is the computer doing better without you? Worst of all, are you competing against the computer?

Beethoven and Michelangelo, who sold their artworks for profit, were entrepreneurs and capitalists.

The more information that's out there, the greater the returns to just being willing to sit down and apply yourself. Information isn't what's scarce; it's the willingness to do something with it.

Marshall Jevons is the pioneer for integrating economics and detective fiction, and The Mystery of the Invisible Hand is another fine effort in this genre.