No one likes to say goodbye. But twice a year I do it with a wistful smile.

With us on the arena floor, scores of black-robed students laughed nervously. In the bleachers around us, parents looked on with that special mixture of emotions: pride in accomplishment, relief in completion and worry in a yet-unsettled future.
I understand those emotions – mine are just as mixed. But let’s step back a few months.
Professors could trade their fancy robes for bib overalls. What we do