In an academic world where I live, every year I get to watch the campus come alive. Traditionally American campuses are quieter during the summer months. Even if there is summer school and the normal spate of camps, etc., summer is not the same. So I always am eager to see things begin to change. It is almost as predictable as the changing of the leaves during autumn. Like the changing of the leaves on the tree, I am never sure which day I will notice the change. Yesterday it happened. I arrived fairly early on campus and there is the usual calm. I am one of the earlier ones to arrive on campus, so it is still very quiet. I can park almost anywhere I want. Sometimes the door to my building is still locked, so I fumble for my key. Since I am in an old building---one more than a hundred years old---I am greeted with some creaks and familiar sounds that I never hear when it hums with students. Later in the morning, I had to go...