Singer-songwriter-community organizer Si Kahn tells Steve Paulson the hallmarks of a good political song, and talks about the role music has played in various social causes, including the Civil Rights movement.
Intelligent. Optimistic. Curious.
Audio
Wangari Maathai won the Nobel Peace Prize in 2004. She is dedicated to re-foresting Africa and talks with Steve Paulson about some of her Greenbelt Movement projects. Her memoir is called "Unbowed."
There's money in the future. It's Liz Crawford's job to help big corporations figure out how to make it.
James Gleick is a science writer with a particular interest in the cultural impact of technology. He's written a number of best-selling books, including "The Information," "Faster," and "Chaos." And Gleick's just come out with a mind-bending book called "Time Travel: A History."
Stacy Schiff's new book "Cleopatra: a life" describes the Egyptian queen as a shrewd political strategist and a brilliant leader.
Stewart Brand, founder of the Whole Earth Catalogue, says it's time to get pragmatic about managing climate change.
Anousheh Ansari became the first Muslim woman to venture into space when she traveled aboard the International Space Station.
Svetlana Boym tells Anne Strainchamps that nostalgia was invented in the 17th century and seen as an actual physical condition for the next century of so.
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