John Meriwether assembled the smartest team on Wall Street. In the 1980s, he combed Harvard and MIT for geniuses to join him at Salomon Brothers and make the investment bank a fortune with arbitrage - the trick of buying an asset cheap in one place and quickly selling it for a profit in another. 

When he parted ways with Salomon Brothers, Meriwether took his "nerds" to set up a hedge fund. They prospered - making themselves and their clients rich. Two employees even picked up a Nobel Prize. But Long Term Capital Management operated in the real world - where projections and charts and formulas can't protect you from political chaos and economic turmoil. 

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