WASHINGTON, Feb. 17 -- George Washington University issued the following news: On a day that should have been all about the Super Bowl and a celebration, a gunman in Kansas City killed at least one person and wounded more than 20 in a rampage that has become an all too familiar US story. At the same time, the New York Times reports that the National Rifle Association has been losing political influence, money and members in recent years. George Washington University faculty experts on politics  more