Synopsis

**THE BIG GAMBLE** – Lesley Stahl examines the expanding landscape of gambling across thirty-eight states, focusing on the allure of the slot machine. Some scientists suggest that newer iterations of these machines may possess an addictive quality. Producers: Ira Rosen and Joel Bach. **SILVER OR LEAD** – Byron Pitts reports from a Mexican city where the mayor's murder highlights the power of drug cartels. These organizations appear to offer authorities a stark ultimatum: cooperation in exchan