One week ago today, I sat poised in open air, close to 224 feet above the ground, amid expectant silence overlooking Santa Clara, California. I watched as a moving shadow that measured our ascent slowed and then stopped, telling me it would happen soon. Then, suddenly, I fell. I fell sixty-two miles an hour to a waiting hydraulic braking system (or what seemed that way) that cushioned me and the others into the beckoning safety of terra firma . This was Drop Tower (formerly known as Drop Zone) at Great America, and I had conquered my fear of heights, again. It wasn't the first time I'd ridden this stupid ride, and given the fact that our eighth-grade students attend Great America at the end of each school year, I'm sure it won't be the last. I had to ride it. I had to show myself that I could still look Heights squarely in the eye. The transition from the school year to summertime is like this ride, in a way. As the year progresses, students and teachers "ascen...