In honor of Charles Darwin's bicentennial birthday this past week, the hosts will interview Darwin's great-great grandson Matthew Chapman, author of Forty Days and Forty Nights, and Trials of the Monkey. Also featured: Susan Hofer singing the jazz love song and ode to science, It's Only Natural." The hosts will update the Foundation's campaign to take pro-Darwin billboards to sites where the Dogma Versus Darwin debate still rages! Listen for an entertaining clip of local coverage of the "Praise Darwin: Evolve Beyond Belief" billboard in Dover, Penn. (site of the intelligent design controversy)."