Quite easy. Create a "gun-free" zone around him by dismissing all security personnel. Let's be honest, his guards is a huge source of scandal and inconvenience. Mr. President, time to think about the power of example. Be a glorious role model.
Not gonna happen ... just think what would happen if you dismissed Bush & Cheneys' secret service you're still paying for ?
Well Bush and Dick aren't really the Ghandi kind, so we don't really have to set the bar high. Obama on the other hand, is a walking Messiah...