I received a flood of letters last week -- many of them negative -- about a piece I wrote suggesting that the financial industry needs to be regulated. One man who disagreed with my opinions told me: “The system is failing because it was designed for people who govern themselves to do right. America and its 'free-market' system will continue to crumble as the American people continue to crumble morally.”This reader’s statements had a common-sense appeal. I clicked “reply” and told him I agreed with him. But when I re-read his message I was less sure. I decided to examine ...