FILE - In this July 28, 2011 file photo, Microsoft founder Bill Gates speaks during a forum on education at the National Urban League annual conference in Boston. As CEOs, Sam Walton, Gates and Steve ... more 
FILE - In this July 28, 2011 file photo, Microsoft founder Bill Gates speaks during a forum on education at the National Urban League annual conference in Boston. As CEOs, Sam Walton, Gates and Steve Jobs possessed common traits. Their companies also faced similar challenges when their iconic leaders left the helm. Microsoft carefully orchestrated Gates' departure over a two-year period to dampen the shock, but has since struggled to innovate. (AP Photo/Steven Senne, File) less 
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Associated Press | Photo By Steven Senne, File
Sat, Aug 27, 2011 11:52 AM EDT