I first encountered “Don Quixote” as a high school freshman in Miss Graybill’s Spanish class, where we were given author Miguel de Cervantes’ 17th-century text. It was about this crazy, old fool who went around the countryside attacking windmills as if they were evil giants.The next time I happened upon this elderly gentleman was in 1967 at the McVicker’s Theater, where he starred in the musical “Man of La Mancha.” But it was not until I was in my late 50s, going through a midlife …