Consider what is, for the moment, an entirely hypothetical question: What might Secretary of Defense James Mattis do if he received an order from President Trump to launch a nuclear attack on North Korea in retaliation, say, for a hydrogen-bomb test that had gone awry? Certainly, Mattis could try to talk the president out of the attack, if he thought …

Australia’s record of 26 years without a recession flatters to deceive. The gaudy numbers mask serious flaws in the country’s economic model. First and most obviously, the Australian economy is still far too dependent on “houses and holes.” During part of the typical business cycle, national income and prosperity are driven by exports of commodities—primarily iron ore, liquefied natural gas …

Saturday was Yom Kippur, the Jewish Day of Atonement. Facebook CEO Mark Zuckerberg marked the occasion with a remarkably contrite post to his followers: “For those I hurt this year, I ask forgiveness and I will try to be better. For the ways my work was used to divide people rather than bring us together, I ask forgiveness and I …