Alexei Navalny, Russia’s leading fighter for democracy, returned home this week, after recuperating in Germany from a Kremlin attempt to murder him by poison as he campaigned in Siberia. It is almost impossible to comprehend the bravery it took for Navalny to take that risk. He faced a phalanx of Russian police at the airport, and a swift mock trial in a police station, after which he was jailed, at the total mercy of would-be Kremlin killers. Yet there is something painfully appropriate about Navalny taking that gamble the very same week Donald Trump leaves office. Trump will be recalled by h…