Random selection is not generally an approach that most people opt for in the selection of doctors or even restaurants or a movie. However, it appears to be the new model for some in higher education. Former Barnard College mathematics professor Cathy O’Neil has written a column calling for “random selection” of all college graduates to guarantee racial diversity. It is ever so simple: “Never mind optional standardized tests. If you show interest, your name goes in a big hat.” She is not the only one arguing for blind or random admissions. Recently, University of California President Janet Napolitano announced...