In this Oct. 11, 2007 file photo, private equity investor Carl Icahn speaks at the World Business Forum in New York. Icahn on Thursday, May 15, 2008 officially launched a proxy contest to unseat Yahoo Inc.'s board, writing in a letter to Chairman Roy Bostock "the board of directors of Yahoo has acted irrationally and lost the faith of shareholders" and Microsoft Corp. (AP Photo/Mark Lennihan, file)

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