Jonathan Rosen, writer and author of “The Best Minds: The Story of Friendship, Madness, and the Tragedy of Good Intentions,” tells the story of his childhood best friend Michael Laudor and his demonic battle with schizophrenia. The story is a cautionary tale of what can happen when good intentions lead to the worst possible outcome. Rosen describes how Michael’s life spiraled out of control, the challenges of dealing with mental illness, and addresses some of the ongoing failures to help the mentally ill.