Animal behaviorist Patricia McConnell is the author of "For the Love of a Dog" and the host of the public radio program "Calling All Pets."
Intelligent. Optimistic. Curious.
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Researchers opened the chimpanzee genome in 2005, raising a number of fascinating questions. Chief among them: if we share most of our DNA with chimpanzees, what is it that makes us different?
Noam Chomsky may be America's most prominent radical intellectual. An outspoken critic of U.S. foreign policy, he says the mainstream media simply won't acknowledge his political perspective.
Economist E. Glen Weyl has invented a market-driven voting system that he believes is much fairer and more democratic than one-vote-per-person majority rule. It's called Quadratic Voting and it starts with giving everyone a bunch of tokens, or chips, along with a simple mathematical formula for voting.
Joshua Blu Buhs is an independent scholar and the author of "Bigfoot: The Life and Times of a Legend." But he tells Steve Paulson he doesn't really think the creature exists.
How close are we to electing a woman as president? Journalist Rebecca Traister says "next election close."
Michael Keith recalls his nomadic life with his divorced, alcoholic father. He never had enough to eat, and got into trouble, but decided who he didn’t want to be.
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