It was probably the simplest calculation Eugene Brigham would ever do. There were two lines that day at the University of Miami. One was to register for law school. The other, for business school. This was the mid-1950s. Law school was an established path. Business school? Newfangled and untried. The law school line was long, and Brigham was in it. But the business school line “was a little ole short line,” says Brigham, in his honeyed southern drawl. For a