To a hammer, every problem looks like a nail. To billionaire and gubernatorial candidate Tom Steyer, every problem can be solved by a tax increase. In a recent op-ed for the Orange County Register, Steyer said that he’ll create a single-payer health care system, lower energy costs, and build one million homes. How does he do that? And, more importantly, how does he pay for it? Well, to find out more, we went to his website. Let’s start with his promise of single-payer healthcare. Steyer touts the endorsements of “progressive single payer health care champions like Congressman Ro Khanna and...