"They were remarkably polite, self-disciplined and calm and had a good attitude to learning, " she said.

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But, in practice, few poor countries can emulate South Korea's self-disciplined use of discretionary quotas and export subsidies.

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Sobczak says in order to be a successful salesperson, one must be motivated and self-disciplined, confident and positive, a great interviewer and performer, and have an immense desire to learn.

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It is, unfortunately, unclear if either of these campaigns - or their presidential counterparts - has learned the real lesson: The best organized, most disciplined and most visible self-described Muslim-American "leaders" tend to be Islamists, or at least their sympathizers.

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In 2010, the parole board said that Davis had not been disciplined since 1980 and participated in all available education, vocation and self-help programs.

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