Nathaniel Ayers has had many triumphs in his battle to function despite schizophrenia. But he lands in a courtroom, and difficult calls must be made.Howard Askins grew up in New York, the son of blue-collar transit authority employees who expected him to go far, and he did. His first stop was Brown University, and then he was off to Harvard, where he earned both medical and law degrees before moving on to psychiatric residency at UCLA.