MICROSOFT CHAIRMAN BILL GATES SPEAKS AT THE HARVARD UNIVERSITY 2007 COMMENCEMENT IN CAMBRIDGE

Microsoft Chairman Bill Gates (L) reads over his speech before giving the commencement address at the 2007 Harvard University Commencement Exercises in Cambridge, Massachusetts on June 7, 2007. Seated at right is basketball legend Bill Russell (C) chatting with Microsoft CEO Steve Ballmer. (UPI Photo/Matthew Healey)