The History of Group Theater

Diane Ravitch has written many books about American education, and she teaches history at Columbia University. Her new book, "The American Reader," is an anthology of classic speeches, poems, and songs that she feels should be taught in the schools. Ravitich believes American history should be inclusive the many cultures in the Unite States, but opposes ethno-centric curricula.

Rock historian Ed Ward discusses the musician's role in recent popular music. Before rising to prominence in the Velvet Underground, Cale studied with avant-garde composers like LaMonte Young.

Book critic John Leonard reviews "Angkor, the Hidden Glories," a new book about the ancient Cambodian city of Angkor Wat. The photos are by Michael Freeman; the writing is by Roger Warner.