It is not widely known that, ever since the end of the Korean War, the United States has spent essentially the same amount of money on defense, in real terms, every single year.

The worst kind of management seeks a single optimum, a one-scale index of efficiency, like the mindless scales of 1 to 10 for grading a woman's beauty or one to four stars for a movie's appeal.

For a decade or more after the Vietnam war, the people who had guided the U.S. to disaster decently shrank from the public stage.

The hoary joke in the literary world, based on 'Dreams From My Father,' was that if things had worked out differently for Barack Obama, he could have made it as a writer.

Always write angry letters to your enemies. Never mail them.

I have relentlessly beat the drum for Google's 'two-step' authentication systems for Gmail and other services, which radically reduce the likelihood that your account can be hacked from afar.

Societies are healthiest when their radius of trust is broad and when people feel they can influence their own fate.