Not for the Purists

When it comes to author Thom Hatch’s latest effort, The Last Outlaws: The Lives and Legends of Butch Cassidy and the Sundance Kid (New American Library, $26.95), what might seem to be the book’s weaknesses could prove, in the final analysis, to be the book’s strengths. The Last Outlaws does draw on a “wealth of fresh research” to “go beyond the myth,” as the book’s publisher asserts. That research is largely other people’s research—nothing wrong with that—and Hatch does