AI is a story to tell, and no longer just in science fiction. As present in the imagination as politics, the pandemic or climate change, AI has become part of the narrative for a growing number of novelists and short story writers who only need to follow the news to imagine a world upended. “I’m frightened by artificial intelligence, but also fascinated by it,” said Helen Phillips, whose upcoming novel “Hum” tells of a wife and mother who loses her job to AI.