Metro Transit officials expect a large turnout for tomorrow's launch of the Hiawatha Light Rail line in Minneapolis . Interest is high for the state's first commuter rail in 50 years. After the initial buzz dies down, the train will have to go about the unglamorous work of moving people from one place to another and trying to live up to its promise as a viable alternative to more blacktop and cars. Minnesota Public Radio's Art Hughes takes a behind-the-scenes look at the Hiawatha Rail Line and finds out what you need to take a ride.