Editorial, includes “It’s a safe bet that most Californians know nothing about the 'California rule,' but even though it is not a part of any state law, the rule has had consequences far greater than most state laws. It holds that public employee pension benefits for years not yet worked can never be reduced. Now, finally, the California Supreme Court is going to give the rule the scrutiny it deserves — and Gov. Jerry Brown has joined two state appellate courts in urging this interpretation be shelved. Good.”