U.S. Senator Edward Kennedy (D-MA) walks offstage after receiving an honorary Doctor of Laws degree during a special convocation ceremony at Harvard University in Cambridge, Massachusetts December 1, 2008. Senator Kennedy was initially scheduled to receive the degree at last year's Harvard Commencement ceremonies in June 2008, but was unable to attend while receiving treatment for a malignant brain tumor that was diagnosed in May 2008. REUTERS/Brian Snyder (UNITED STATES)