The content originally appeared on: CNN CNN - Imprisoned Russian dissident Alexey Navalny has been transferred into a solitary prison cell, according to tweets from himself and his staff, in what he described as a move designed to 'shut me up.' Navalny, a prominent critic of Russian President Vladimir Putin, explained what happened in a Thursday Twitter thread: 'Congratulations, I've moved up one more level in the hierarchy of prison offenders,' Navalny wrote with irony, adding that prison officials moved […]