THE BICYCLE THIEF - California's three strikes law puts third-time offenders, even non-violent ones, in jail for 25-years-to-life. Critics say it's no wonder the law is responsible for one third of the state's prison population when people like Steven Bell, who stole a bicycle, face life in jail. Steve Kroft reports. Graham Messick is the producer.

NEGATIVE ABOUT AFFIRMATIVE ACTION - Three white students charge in a lawsuit that the University of Michigan denied them entry but enrolled black students who they say were less qualified academically. Ed Bradley reports. Amy Cunningham is the producer.

THE POWER OF POSITIVE SPEAKING - Morley Safer follows motivational speakers on their lucrative circuit where people line up to hear all about how they, too, can become a big success. Catherine Olian is the producer.