September 15, 2008 was one of the most important days in American financial market history. Lehman Brothers, one of the oldest and most respected investment banks on Wall Street, filed for bankruptcy, sending a shock through the financial system to a degree not seen since the Great Depression. Massive layoffs from businesses and defaults by households ensued. Several years and trillions of dollars of money supplied by the Federal Reserve later, most Americans still feel as if the economic recovery has never commenced. So today, five years after the collapse of Lehman Brothers, what is the...