"How did this happen?" said Senator Chuck Schumer. It was funny to me to see the reaction to the guy from Florida who flew his little air buggy to the Capitol building to protest the way our politicians are bought and sold these days after Citizens United. link to story
All of the attention was in how he made it through security. But this also helpfully distracted from the guy's point about the bad influence of money in politics these days.
So the protection of our Homeland Security people is necessary to save lives but also comes in handy in shielding our politicians from having to deal with pesky people who want to discuss campaign reform