Associates of Russian opposition leader Alexei Navalny said Monday that talks were underway shortly before his death to exchange him for a Russian imprisoned in Germany.“Alexei Navalny could have been sitting here now, today. It’s not a figure of speech,” Maria Pevchikh, a close associate who lives outside Russia, said in a video statement posted on social media. She said she received confirmation the talks were in the “final stages” on Feb. 15, the day before Navalny was reported dead.Her claims, which were reiterated on social media by other Navalny aides, could not be…