Commentary The latest attempt to impose a single-payer, socialist health system on California predictably failed. As Politico headlined, “California liberals seethe after Democratic Legislature kills single-payer.” Why? The reason is because almost all California politicians think they’re special. And the most liberal elements in the Legislature believe they are leading not just the state, but the country, into the radiant future of socialized medicine. That’s why almost everyone, beginning with Gov. Gavin Newsom and the other recent governors, often repeat how “California is the world’s fifth-largest economy.” Newsom even likes to refer to California as a “nation-state,” which it isn’t. So some of them entertain the delusion they can enact their own vast policy changes, especially on medical care. Even Gov. Arnold Schwarzenegger tried to push a single-payer scheme in 2007. But California isn’t the world’s fifth-largest economy. It’s just the largest subsection of the U.S. economy, which is either …