MINYANVILLE ORIGINAL After four years as Chairman of the Securities and Exchange Commission Mary Schapiro will be stepping down next month. “When Mary agreed to serve nearly four years ago she was fully aware of the difficulties facing the SEC and our economy as a whole ” President Obama said yesterday in a statement. “But she accepted the challenge and today the SEC is stronger and our financial system is safer and better able to serve the American people -- thanks in large part to Mary's hard work.” However others see Schapiro’s tenure as far less successful with non-profit ...