Cindy Sheehan, the drama queen who was removed from the House gallery last night before the State of the Union address for wearing a t-shirt with a political message, is not the first person to be tossed from a Congressional gallery at a high-profile event for wearing a political t-shirt.In the early days of the Senate's impeachment trial of President Bill Clinton in January 1999, a Pennsylvania man named Dave Delp was removed by the Capitol police from the Senate gallery for wearing a t-shirt that said, "Clinton doesn't inhale, he sucks."Unlike Sheehan, Delp didn't make a federal case of...