In recent years, where stadium naming rights could be sold, universities and professional sports teams have sold them — to airlines and banks and companies that sell beer, soda, doughnuts, cars, telecommunications, razors and baseball bats. This led to memorable examples like Enron Field, the KFC Yum! Center and the University of Phoenix Stadium. On Tuesday, that trend took another strange turn when Florida Atlantic University, in Boca Raton, firmed a deal to rename its football building GEO Group Stadium. Perhaps that pushed stadium naming to its zenith, if only because the GEO Group is a private prison corporation.