Metro is looking into connecting the three light rail lines that hit downtown -- Gold, Blue and the soon-to-be Expo -- so that one day, a commuter may be able to travel from Long Beach to Pasadena or from East LA to Culver City -- all without transferring. Eric Richardon from blogdowntown reports that the two alternatives that Metro is currently looking into differ in cost by only $150 million. That's surprising considering one is......