Runners do not finish races for a lot of reasons. But when a runner does not finish at the first Night Frights Run in Las Vegas, Warren worries that the Halloween-themed race might prove far more pulse-pounding than anyone intends. With just the right mix of the mysterious and the terrifying, “DNF” demonstrates Kristine Kathryn Rusch’s mastery of the crime short story. “DNF,” by New York […]