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Bill Ackman, president of Pershing Square Capital Management, speaks during the Value Investing Congress in New York, U.S., on Wednesday, Nov. 28, 2007. Ackman, whose hedge fund has short positions on bond insurers, said he will make ``hundreds of millions of dollars'' on his bets and plans to donate the proceeds to charity. Photographer: Daniel Barry/Bloomberg News

Published November 28, 2007