Commencement 2008
Photo: President Bush and U.S. Air Force Academy graduate Gabrielle Glenn, from Florence, S.C., blow kisses during graduation ceremony, Wednesday, May 28, 2008, in Colorado Springs, Colo.
Paul McCartney & Dr. Ruth Westheimer<br>Yale
Sen. Barack Obama<br>Wesleyan University
Photo: Democratic presidential hopeful, Sen. Barack Obama, D-Ill., speaks during commencement at Wesleyan University in Middletown, Conn., Sunday, May 25, 2008, where he filled in for Sen. Edward M. Kennedy, D-Mass.
Robert Redford<br>Brown University
VP Dick Cheney<br>U.S. Coast Guard Academy
Photo: Graduating senior Cadet Soren Jacob Rose of Summit, N.J., presents Vice President Dick Cheney with a ceremonial sword at the end of commencement ceremonies at the U.S. Coast Guard Academy in New London, Conn., Wednesday, May 21, 2008.
David McCullough<br>Boston College
Photo: Pulitzer Prize-winning author David McCullough during Boston College commencement exercises, Monday, May 19, 2008, in Boston.
Michael Bloomberg<br>University of Pennsylvania
Photo: New York Mayor Michael Bloomberg delivers the commencement address at the University of Pennsylvania in Philadelphia, Monday, May 19, 2008.
Robert Reich<br>Calif. State University-Fullerton
Martin Sheen<br>Notre Dame
Photo: Actor Martin Sheen, right, poses with Rev. John Jenkins, C.S.C., President of the University of Notre Dame, after Sheen was presented the Laetare Medal, the University's highest honor, Sunday, May 18, 2008, at Notre Dame's commencement in South Bend, Ind.
Carville & Matalin<br>Tulane University
Photo: Political commentators and husband and wife James Carville, left, and Mary Matalin, right, take part in commencement ceremonies for Tulane University in New Orleans, Saturday, May 17, 2008.
Barbara Morgan<br>Boise State University
Photo: Astronaut Barbara Morgan is recognized after being presented with an honorary doctorate from Boise State University during the commencement ceremony, Saturday, May, 17, 2008, at Taco Bell Arena in Boise, Idaho. Morgan flew aboard the space shuttle Endeavor last August as part of an educator-astronaut mission.
Bianca Jagger<br>Simmons College
Photo: Human rights advocate Bianca Jagger delivers the commencement address to Simmons College graduates, Saturday, May 17, 2008, in Boston.
George H.W. Bush<br>Bryant University
Photo: Former President George H.W. Bush delivers the commencement speech after accepting an honorary degree from Bryant University during graduation ceremonies in Smithfield, R.I., Saturday, May 17, 2008.