New York Times: On the whole, state governments, especially those with Republican-dominated legislatures, have been remarkably passive and uninventive in recent years on the matter of climate change. Indeed, at least a dozen states have challenged the Obama administrations new rule regulating carbon dioxide emissions from power plants and have vowed to do everything they can to see it overturned in court. And then there is California, which stands apart in its commitment to a healthier, cleaner and less carbon-intensive...