Bright Stars

Former Chilean president Ricardo Lagos talks about how his country has made the transition from the oppression of the Pinochet regime to a modern, open society. Pop legend Petula Clark on her first New York nightclub engagement since the 1970s. Today’s installment of the BBC’s A History of the World in 100 Objects looks at an official seal used for documents in the Indus Valley civilization. Plus, we’ll have our latest Backstory segments.