The return of Russian opposition leader Alexei Navalny home: was it a brave move or a miscalculation?
Read MoreWith the German government's announcement Wednesday of "unequivocal evidence" that the nerve agent Novichok was used in the poisoning of Russian opposition leader Alexey Navalny, we are once again reminded how a vacuum in global leadership -- notably, in this instance, the silence of the American President -- can potentially open the way for the world's strongmen to reach for the deadliest means to silence their critics.
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