Last September, as Wall Street turned to rubble and panic threatened to come unleashed, Ken Lewis, the CEO of Bank of America, agreed to swallow one of the country’s most toxic investment houses. The deal was not altogether voluntary; as details have slowly emerged, the coercive role of the Fed and Treasury has loomed larger. What exactly happened in the weeks leading up to the merger? Did the deal save us all from economic apocalypse? And what does the government’s unprecedented role in it portend for the future of our economy?