Gov. Gavin Newsom presides over a broad set of self-inflicted challenges –– each one a monument to bad policy, grandiose ego, and questionable priorities as he struts around the nation and the world. His freshly released book, Young Man in a Hurry: A Memoir of Discovery, basically sums it up: He sprints toward bigger stages while the job he actually signed up for gathers dust. Now in middle age, Newsom is still in a hurry, but … not to fix the state he’s supposed to govern. Instead of rolling