fbdef28e35efaa2d650f6a7067008ceeThe global economy’s problems seem to be multiplying. Hours after the leaders of the world’s 20 most developed economies sought to boost confidence by promising to increase global output by $2 trillion over five years, Japan said it had fallen into recession. That leaves the country — the world’s third-largest economy — on a long and growing list of troubled economies. China is slowing as well, and Europe can’t seem to take off. Among major economies, only the United States and Britain are growing at decent rates, and how long that lasts depends on how much trouble their trading partners are in. More