Following in US footsteps, Russia's pulling out of treaty now, too, he says
                                
                                
                                    (Newser) -
                                    On Friday, the  US said it would pull out of  a longtime arms-control treaty with Russia; on Saturday, Russia followed suit. There'd been a small window to save the Intermediate-Range Nuclear Forces (INF) Treaty, which had been in place since the end of the Cold War, with Russia still...