TV celebrities and public officials are popular speakers at commencement ceremonies this year as colleges increasingly cater to student interests.
TV mogul and philanthropist Oprah Winfrey will speak at Stanford University, the University of Delaware has baseball star Cal Ripken Jr., and Case Western Reserve University in Cleveland hosts Internet entrepreneur Craig Newmark (craigslist).
One of the biggest surprises this year was Harvard’s choice of Harry Potter author J.K. Rowling.