It’s still early in the 2018 races for California governor and U.S. Senate, but already we know five things:
— In this stormy, polarized political climate, Republicans aren’t likely to vote for a Democrat even if there isn’t a strong GOP candidate on the ballot.
— So the original theory behind Democratic state Treasurer John Chiang’s candidacy for governor that he could attract business-minded Republicans just isn’t working out.
— Democratic state Senate leader Kevin de León’s challenge of centrist U.S. Sen. Dianne Feinstein is drawing some GOP support, but that can’t last if Republicans ever learn about the tenacious liberal.
— Democratic Lt. Gov. Gavin...