Planet Money reporter Chana Joffe-Walt asks a simple question: Who was the federal regulator who was supposed to be regulating AIG? The answer turns out to be far from simple.

Planet Money's Chana Joffe-Walt explains why prescription drug coupons could actually be increasing how much we pay, and prevent us from even telling how much drugs cost.

Adam Davidson and Chana Joffe-Walt from Planet Money head to the Hunts Point Market in the Bronx, a bustling area of vegetable and fruit commerce that only comes alive at night. Planet Money is a co-production of NPR News and This American Life.

NPR reporter and Planet Money contributor Chana Jaffe-Walt reports this story of what it really looks like when a bank fails and is taken over by the FDIC. She talks to the former employees and a handful of FDIC staff about the Friday night when the Bank of Clark County was interrupted and closed by 80 FDIC employees, who had every step of their secret operation down to a science.

Alex Blumberg and NPR correspondent (and "Planet Money" reporter) Dave Kestenbaum examine what went wrong with the credit ratings agencies. When all these financial instruments that brought down our economy—the mortgage backed securities, the derivatives—were originally issued, the rating agencies (Standard and Poors, Moody's and Fitch) gave many of these things their top rating of triple-A.