Has the world changed since September 11, 2001? It has for at least one band of subversive operatives who scheme in the shadows to ambush politicians. I'm speaking, of course, of the small yet poorly organized cells of individuals who take advantage of the freedoms this nation provides in order to carry out their roles as political cartoonists. I'm one of them and this is my story. I've operated inside these borders for many years, confounding immigration...