I looked through the window and saw a disheveled giant of a man outside, tall enough to be an NBA forward. He paced back and forth, holding a pipe in one hand and scanning a stack of notes in the other. When he lumbered into the classroom, he didn’t walk us through the syllabus. He announced that he had failed our country. It was September 13, 2001. The professor’s name was Richard Hackman, and he was the world’s leading expert on teams.
