In late 1971, a cold winter in Omaha, I was a high school hurdler in a hurry. My senior track season was approaching and I was determined to crush my 14.9 PR in the 120 highs as a 16-year-old junior. So I did what any laser-focused prep would do. I blasted through a two-semester class before Christmas. Let me explain. Biology was my last class of the day at Harry A. Burke High School, a fully-enclosed new campus only miles down the road from famous Boys Town. And since I wanted class time for training, I took advantage of the…