When a consummately articulate, boundlessly bold journalist stricken with stage 4 esophageal cancer reports from the front lines about facing what he calls, among other things, "hello darkness my old friend," you sit up and pay attention. Mortality, by virtue of its ultimate unavoidability, raises questions about the very meaning of life, making it as challenging a subject as any tackled by Christopher Hitchens in his brilliant career. It is, in fact, one of the subjects, right up there with love, and you can count on Hitchens to eschew weak-kneed sentimentality.