TheStreet: Of the many unexpected twists to the 2016 presidential campaign, California’s emergence as a competitive race is high among them — and it’s good news for media in the state. That Hillary Clinton and Bernie Sanders are spending lavishly in hopes of winning Tuesday’s California’s primary, historically an afterthought given its last-place spot in the primary schedule, has been a surprising boon to CBS, which owns six of its 28 local TV stations there.