On Saturday, five European governments said lab work on deceased Russian dissident Alexei Navalny's remains detected epibatidine, a poison associated with South American dart frogs, and they argued the finding points to Russian responsibility for his 2024 death in an Arctic prison colony. The allegation lands as Navalny's allies have pushed a separate theory that he was nearing release via a prisoner swap negotiation that they say collapsed when he died.Reuters reports Britain, France, Germany, Sweden and t ...