Edmund Morris says Theodore Roosevelt was a force of nature - man of towering intellect, boundless physical energy and firm convictions whose greatest achievement as President was his commitment to conservation.
Intelligent. Optimistic. Curious.
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David Gessner wants to change the way people write about nature. Instead of the traditional stories about wild animals in pristine landscapes, he calls for a style of nature writing that's messy, even raucous.
Bill Ayers was a member of the Weather Underground, which set off a series of bombs around the country in protest against the Vietnam War. Ayers insists he was not a terrorist, since his objective was never to kill people. He believes his own actions showed restraint in comparison with the enormity of the harm he believed the Vietnam War was causing.
Brent Silby teaches philosophy in Christchurch, New Zealand and is the author of an article in "Philosophy Now" magazine called "The Simulated Universe."
Eric Booth is one of America's leading teaching artists and trainers of teaching artists.
Dan Lamoureux is a self-described dork who produced and directed the documentary film "Nerdcore for Life."
Charles Dwyer on art with his homeless neighbor - Jerry Pfeil.
University of Wisconsin historian Florencia Mallon talks about Chilean singer Victor Jara - one of the thousands of Chileans rounded up during the coup and executed.
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