Report: Investor to lead fight against Yahoo board

In this Oct. 11, 2007 file photo, private equity investor Carl Icahn speaks at the World Business Forum in New York. Circuit City on Friday, May 9, 2008 revealed that it has received a letter from Blockbuster indicating that Icahn, the company's largest shareholder, is prepared to buy Circuit City on his own if Blockbuster can't get financing or can't get shareholder approval. (AP Photo/Mark Lennihan)