Earlier this semester, we had a new substitute teacher, Mr. Stevenson, who would never stop talking about his love for comic books. One day, during his lesson on superheroes, Mr. Stevenson got so caught up in his own excitement that he accidentally knocked over the projector, causing it to crash to the ground. The glass shattered everywhere, and poor Mr. Stevenson ended up cutting his hand pretty badly. As he was being rushed to the nurse's office, I couldn't help but think about the irony of...