Maybe someone will accommodate them and do a shoot-em-up in DC, so Congress can go on a field trip. Or, since that would be a worst-case situation, surveillance video of other mass shootings can be played, with their eyes taped open and their heads held in place, so they can't look away. Do it in a theater with a killer audio system, so they can feel the concussion of the flash-bangs and hear the gunfire as it would sound onsite.