One way or another, Gulf money became critical to the global economy. It may be about to dry up, says Matthew Lynn.

Major League Baseball is minting record revenues, yet the system that prints the money is starting to misfire. The richest clubs are pulling away, local TV cash is wobbling, and the sport is drifting ...

Think about buying a stock as you'd think about investing in a business in your city. You'd consider multiple factors, but the most important one would undoubtedly be whether or not it will make you ...