13 BankersBy: Simon Johnson, James Kwak In spite of its key role in creating the ruinous financial crisis of 2008, the American banking industry has grown bigger, more profitable, and more resistant to regulation than ever. Anchored by six megabanks whose assets amount to more than 60 percent of the countrys gross domestic product, this oligarchy proved it could first hold the global economy hostage and then use its political muscle to fight off meaningful