Who would be a referee? This week it's Frenchman Roman Poite in the firing line for howlers committed against South Africa, next week it will be someone else, and the week after someone else again.

If his game were baseball, Alan Greenspan would have had one helluva batting average. But when the former Federal Reserve chairman defensively told Congress last week that in his two decades ...

“It is not my aim to surprise or shock you—but the simplest way I can summarize is to say that there are now in the world machines that think, that learn, and that create. Moreover, their ability to ...