The Story

A former warden at San Quentin supervised inmate executions until she couldn't take it anymore.

Dick visits with a Mississippi doctor who has modeled his health care plan on the "health houses" he saw during a visit to Iran.

Ma Jun, a former investigative journalist in Beijing, is pressuring global companies to clean up their act in his country. Using public information, he has made maps of the air and water pollution left by the supply chain of companies such as Apple.

People in Baghdad are still talking about what happened on September 16 - the day an incident involving the private security company Blackwater USA left at least 17 Iraqis dead. Ahmed Abdullah visited the scene in Nisour Square and talked to witnesses.