CBS is Betting on Sitcoms, and They Have Good Reason to Do So.

Film director and screenwriter Paul Schrader. His screenwriting credits include "Taxi Driver" and "The Last Temptation of Christ." Schrader's directing credits include "Hard Core," "Light of Day," "American Gigolo" and last summer's film "Patty Hearst." (Rebroadcast. Originally broadcast on September 7 and 8, 1988).

World music critic Milo Miles introduces us to the music of Cheb Khaled. Khaled is a leading performer of Raï, a type of music popular in Algeria.

Writer Ian Frazier. He's known primarily as a writer of humor pieces for The New Yorker magazine. Some of those earlier short humor pieces and essays were collected in two earlier books, Dating Your Mom and Nobody Better, Better than Nobody. His new book, Great Plains, is quite different. It describes a history of the great plains through Frazier's own trips driving 25,000 miles in a criss-cross of the area, and hours spent in the New York's Public Library reading about the great plains.