“Almost 20 years after his death, the famously lean prose of the short-story writer Raymond Carver may be about to put on a little weight. His widow, the poet Tess Gallagher, is planning to bring out a new version of What We Talk About When We Talk About Love, the collection that made his name on its publication in 1981. It’s the latest round in a tug of war over Carver’s fiction between his second wife and Gordon Lish, the editor who launched Carver’s career.”