It has been said that an actuary is someone who really wanted to be an accountant but didn't have the personality for it. See who's laughing now. Things are starting to get very interesting, actuarially-speaking. Federal bankruptcy judge Christopher Klein ruled on April 1 that Stockton, Calif., can file for bankruptcy via Chapter 9 (Chapter 11's ugly cousin). The ruling may start the actuarial dominoes falling across the country, because Stockton's predicament stems from financial assumptions that are hardly restricted to one improvident California municipality. Stockton may expose the little-known but biggest lie in global finance: pension funds' expected rate...