For nearly two decades Evan Dooley quietly made a living trading commodities like wheat in his home state, Tennessee, far from the hurly-burly of Wall Street. But on Thursday Mr. Dooley, 40, became the talk of the financial markets when MF Global, the giant commodities brokerage firm, accused him of making unauthorized trades that led to $141.5 million in losses for the firm. Mr. Dooley, the firm said, wagered on wheat futures with money he did not have.
