The sign has endured for half a century now
                                
                                
                                    (Newser) -
                                    The peace symbol, an inspiration for decades of anti-war movements and one of the most recognizable hieroglyphics, turns 50 today. The symbol was introduced in 1958 at a British rally against the atomic bomb. “I drew myself, a man in despair, and put a circle around it to represent...