Today, the City of Los Angeles began the restoration of the Owen's River. Don't know what that is? Don't care? You should. And we have a way that's probably the best 2 hours you'll ever have learning about the history of Los Angeles. If LACityNerd is a comedian, then the nerd's anonymous identity would be leaked as Bill Robens, author of the musical theatre delight known as A Mulholland Christmas Carol, now playing through December......