When the Federal Reserve chairman steps up to speak in the mountains of Wyoming on Friday, he faces giant expectations to deliver a plan to steer the developed world away from another damaging recession. He is quite alone. European leaders are squabbling over who pays the bills for their sovereign debt crisis, leaving the European Central Bank hamstrung. Japan is in political paralysis lurching from election to election. And the world's fast-growing emerging economies -- China, India, Brazil or Russia -- prefer to criticize from the sidelines rather than take up the mantle of leadership. In the United States, ... (full story)