Public or Private?

We find out how communities throughout the world are fighting the privatization of their water supplies. Then, Farley Granger talks about starring in Hitchcock's "Rope" and "Strangers on A Train." And we pay tribute to Barbara Stanwyck, who's the subject of a 12-film retrospective at BAM. Plus, we explore the history and science of building skyscrapers, on Please Explain.