Alternatively: we need to rein in the powers of the presidency. Right now we've got a dynamic of "the president says what to do and the legislature obeys" (or, recently, "the president does stuff on his own"); we might be better off with "Congress decides what to do and the president makes it happen".
How long will California maintain GDP dominance when major parts of business are in the pocket of Trump? Won't they just pack up and leave, tanking Californias economy with it?