Wall Street's loudest proponents of long-term planning and good corporate governance often fail to listen to their own advice, says Zac Bissonnette, author of "Good Advice From Bad People". Lehman Brothers CEO Dick Fuld talked about risk control, yet did not see the massive credit risk that ultimately felled his firm. Former Apple CEO John Sculley publicly stated his appreciation for dissenting views even while showing Steve Jobs the door. And Bernie Madoff offered sound investing advice after he was locked up.

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