F ew political aspirations have proved more futile over the past two decades than running as a Republican for statewide office in California . Yet Steve Hilton – transplanted Brit, erstwhile business entrepreneur, a former Downing Street adviser to David Cameron and a former Fox News host who says he is friends with half of Donald Trump’s cabinet – is having a remarkably good time of it. With less than six weeks to go before a primary election that has proved to be both dramatic and wildly unpredictable, most polls put Hilton narrowly ahead of a fractured field of Democrats in the race to succeed Gavin Newsom as governor. It is an astonishing turn of events in a state where Democrats enjoy supermajorities in the state legislature and a two-to-one advantage over the Republicans in voter registration.…