Lesson four is that phenomenally rich people disagree all the time, which means that in those instances half of them must be wrong despite the seeming omniscience conferred by all those billions.

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"I learned my lesson in four years, " Kronmiller says.

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As IDAHO day is marked by activities in schools, the IDAHO Committee and UNESCO have co-developed a lesson plan which includes four classroom activities for different age groups (primary and secondary level) to address issues of discrimination and homophobic bullying.

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King got a lesson in playing the one, four and five chords from the good reverend.

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He learned a valuable lesson about not just plunging into the market and buying four flashy, obvious stocks because you happen to play stupid videogames on a PC and have a vague, adolescent familiarity with the technology sector.

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And also, does he think now, four years later, that Wall Street has learned its lesson?

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The lesson: Teams gradually learned to adapt during the recent era of payroll dominance, highlighted by the Yankees' four titles from 1996 to 2000.

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Yet for a lesson in how to build truly massive riches, the current finalists should study the brief career of season-four winner Carrie Underwood.

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This will provide the GOP with an important lesson that Democrats, with their head full of idealism and hope and change, have learned over the past four years: the limited ability of the President to control the economy.

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