“Dressed in a police uniform, Aman Mojadidi once set up a fake roadside checkpoint to hand out real money to befuddled Afghan motorists used to paying, not receiving, bribes. Then, during last fall’s parliamentary elections, the Florida-born Afghan artist took his antics a step further by covertly pasting Kabul walls with faux campaign posters that featured him in a black turban with a gold-plated pistol hanging around his neck.”