Sir David Frost on Richard Nixon

Sir David Frost tells Leonard what really happened during his famous interviews with Richard Nixon. And a historian describes the rise and fall of the whaling industry in America. Also, a wife's diaries reveal the dramatic story of a Warsaw zookeeper who saved hundreds of lives during World War II. But first, New Yorker music critic Alex Ross describes the best sounds of the 20th century.

The Leonard Lopate Show is hosting a new Thanksgiving cartoon contest, Cartoon Cornucopia! Check it out and be sure to submit your original cartoon by Wednesday, November 14 at noon.