And not a bad book at that, certainly as compared with the long slog of sanitized and stultifying entries in this genre that I’ve endured over the years. “Young Man in a Hurry: A Memoir of Discovery” checks the boxes of the conventional political memoir. There are the character-building tales of his parents’ broken marriage and his own failed romances, as well as anecdotes recounting his political successes. But Newsom’s life is fascinating enough that his story, rendered with the assistance of a ghostwriter, Mark Arax, clips along: from his struggles with dyslexia and alcohol to a safari with the billionaire Getty family to the searing memory of watching his cancer-stricken mother die by an act of assisted suicide.