Russian opposition leader Alexei Navalny was killed in prison. The murder could have been orchestrated behind the back of Russian dictator Vladimir Putin, according to the former MI6 officer Chris Steele. “I don’t have definite information on that, but obviously, I sometimes think of the parallel case of Nelson Mandela when he was imprisoned on Robben Island, and the South African authorities, while holding him in prison and they won’t let him out or whatever, realizing that in the longer term, Mandela would be a potential leader of the country who could unify the country, and therefore, he sh…