Three million Americans are thought to be schizophrenic. As medical science searches to find its cause, society struggles to understand a crippling disease that has shattered families and left tens of thousands on the nation’s streets.

Lottery fever is spreading. Twenty-nine states now raise $20 billion a year in revenues. Frontline correspondent James Reston, Jr., goes behind the scenes of state lotteries to look at the promoters selling them, the people buying the tickets, and to ask the question, ‘Who really wins and who loses?’