German, U.S. and Russian authorities had discussed exchanging Russian opposition leader Alexei Navalny for Vadim Krasikov, a convicted Russian hitman sentenced to life imprisonment in Germany, before Navalny’s death, the German newspaper Bild reported on Feb. 18, citing its sources. Navalny, Russian dictator Vladimir Putin’s main opponent, died on Feb. 16 in a penal colony in the town of Kharp, Yamal Nenets Autonomous District. He had been convicted in several fabricated criminal cases as part of the Kremlin’s crackdown on dissent. Leaders around the world have blamed Putin for his death. Opin…