Ronald Reagan has an airport, an aircraft carrier and buildings around the nation named for him, but his admirers aren't through. As the 25th anniversary of the beginning of the Reagan Revolution approaches, Rep. John Kline, R-Minn., is proposing legislation to put the late president on the $50 bill. "Not all of America uses Ronald Reagan airport, but all of America uses our currency," Kline said. "We have used currency to commemorate great leaders in our past. It seemed to me this was a good way to do it." But Rep. Jim Oberstar, D.-Minn., calls Kline's proposal "a fatuous idea."...