Human rights agencies say sources fear being prosecuted
                                
                                
                                    (Newser) -
                                    Journalists often  face danger ,  compete with robots , and now may find their sources strangely mum: A joint report disseminated by two human-rights agencies today says that the US government’s relentless surveillance is scaring sources into silence and hampering lawyers’ efforts to protect their clients, reports  the AP . The NSA’...