Professors are happy not to see students’ eyes glaze over. “I get to teach law, and the students get to think they’re having People magazine fun,” says Prof. J. Herbie DiFonzo of Hofstra. “They know what Britney did, and it’s only one more step to get them to … reflect on the doctrinal issues, the heavy-duty law subjects. Why use a casebook example of someone no one’s ever heard of?”