Three years after the collapse of Bernard Madoff’s massive Ponzi scheme, a little more than half of the $17.3 billion scammed from investors has been recovered. While Madoff serves out a 150-year sentence in a federal prison, attorney Irving Picard is leading an army of lawyers, accountants and others in scouring the world to find the remaining $8.6 billion. It is a global treasure hunt of unprecedented magnitude. Read more in the Wall Street Journal here.