President Donald Trump has a type, at least when it comes to political candidates. They tend to be brash, razor-tongued mold-breakers, hardliners who want to own the libs, political newcomers unhindered by norms or niceties. Then there’s Steve Hilton, a Republican who has a shot at being California’s next Governor. Hilton’s resumé reads like the opposite of what you’d expect for the next leader of a state that backed Kamala Harris over Trump by 20 points. A British-born dual U.S.-U.K. citizen since 2021, Hilton was once a member of Margaret Thatcher’s political machine and a senior adviser to British Prime...