"Life is full of lessons," says Cary Kellems, "but was it only me that got Professor Murphy for this class?" Cary recalls he was not always the best student, but the assignments that Professor Murphy metered out were downright difficult. And to exacerbate the situation, when bad things happened to him, he took it as a dare to double down and stubbornly continue to repeat his last mistake, always expecting a different result. His life was in an infinite...