Hassan Campbell: The Wiz’s Cowardly Lion! By Khalil Amani When I was in college, pledging a Greek fraternity, they made us memorize this. Excuses. “Excuses are the tools of incompetence, which build monuments of nothing and those who specialize in them are seldom good at anything else.” Hassan “Poppy” Campbell personifies "Excuses!" Remember the childhood movie, “The Wizard of Oz”—or, the blac…