National Bestseller One of the Best Books of the Year: NPR, Harper's BazaarJoan Didion has always kept notebooks—of overheard dialogue, interviews, drafts of essays, copies of articles. South and West gives us two extended excerpts from notebooks she kept in the 1970s; read together, they form a piercing view of the American political and cultural landscape.   “Notes on the South” traces a road trip that she and her husband, John Gregory Dunne, took through Louisiana, Missis