My mother loves to ballroom dance, and one time she asked me what I would say if she quit her job to pursue ballroom dance as a career.

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"When you can't tell who's who and what's flying across the room, it's time to quit, " she says.

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He's prosecuted a number of small-time scammers who lived according to what may be called the Enron credo: Pile up the cash fast and quit before somebody takes it away.

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