Everyone loves light rail - especially if they don't actually have to rely on it for actual transportation or pay the full cost of what it takes to schlep a rider from Point A to Point B.To get a better handle on what folks love about commuter rail, Reason.tv sent comedian Watt Smith for a train ride from Los Angeles International Airport to Burbank. During the 17-mile, 78-minute (!) journey, Watt chatted with fellow riders to find o...