FILE - In this May 1, 2010 file photo, Berkshire Hathaway Chairman and CEO Warren Buffett gives an interview prior to participating in the annual shareholders meeting, in Omaha, Neb. Two bidders have ... more 
FILE - In this May 1, 2010 file photo, Berkshire Hathaway Chairman and CEO Warren Buffett gives an interview prior to participating in the annual shareholders meeting, in Omaha, Neb. Two bidders have already driven up the price of a private lunch with billionaire Warren Buffett to over $1.5 million Monday, June 6, 2011, and the online charity auction runs all week. less 
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Associated Press | Photo By Nati Harnik, file
Mon, Jun 6, 2011 12:19 PM EDT