Artificial intelligence (AI) is going to boost human productivity in a thousand ways, transforming everything from transportation to health care to agriculture. Some enthusiastic computer scientists even think we will find a “master algorithm” that will fix our politics and make lives “longer, happier and more productive.” In the grandest of these visions, smart computing machines could automate all of ...

Is it a waste of money to spend the billions of euros that will be needed to rebuild Notre-Dame de Paris? A lot of people seem to consider the whole thing no more than a “vanity project” for the uber-rich. I disagree. One reason is that I’m not so keen on telling other people how to spend their money. Another ...

Kraft Heinz Co.’s problems stem not from a single manager but rather an ethos brought to the company by its private equity owner, 3G Capital, and championed by billionaire Warren Buffett. And so it remains to be seen whether replacing the packaged-food giant’s CEO is enough to right the ship. Kraft Heinz announced on Monday that Bernardo Hees, 49, will ...