Communist regime has become 'the world's greatest threat to freedom of speech'
                                
                                
                                    (Newser) -
                                    Securing the release of  Ai Weiwei , and the other artists China has arrested and silenced, “is a matter of urgency and the governments of the free world have a clear duty in this matter,” argues Salman Rushdie in an op-ed in today’s  New York Times . The charges...