In law school they teach you that there are several definitions of legal insanity or “non compos mentis,” the Latin phrase Ryan’s criminal law professor favored. There’s the M’Naghten rule, the Irresistible Impulse test, the Durham rule, and the Model Penal Code test. But the true definition of insanity is driving more than twelve hours from London to the south of France when you’re six-four in a Mini Cooper.
