The front page of Saturday's Style section in the Washington Post carried an article on commencement addresses by Don Oldenburg. But the really amazing nugget came about 25 paragraphs in: Most universities settle for small-splash speakers such as state politicians or captains of local industry, but others aggressively enter the celebrity lottery. Generally this means bestowing an honorary degree and covering travel expenses, rather than paying a fee...But some offer big bucks. Katie Couric, the soon-to-be CBS anchor, will receive $110,000 to speak at the University of Oklahoma's commencement -- all paid for from private funds, the university emphasizes. Often,...