Published On Mar 22, 2009
Some 2,000 of the planets best & brightest minds met in Denver, Colorado recently for the annual gathering of Mensa, the international high IQ society. Lesley Stahl reports.
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Some 2,000 of the planets best & brightest minds met in Denver, Colorado recently for the annual gathering of Mensa, the international high IQ society. Lesley Stahl reports.
