In 2006, Ben S. Bernanke was appointed chair of the Federal Reserve, capping a meteoric trajectory from a rural South Carolina childhood to professorships at Stanford and Princeton, to public service in Washington's halls of power. There would be no time to celebrate, however -- the burst of the housing bubble in 2007 set off a domino effect that would bring the global financial system to the brink of meltdown. Here, Ben Bernanke pulls back the curtain...