I guess we all knew it was likely at some point. Vladimir Putin is a murderous dictator and it was clear that Navalny was being mistreated in prison. But it’s still shocking and depressing that it has happened. The death of Aleksei A. Navalny, reported by the authorities in Russia on Friday, would leave the country without its most prominent opposition voice at a time when President Vladimir V. Putin has amassed near-total power, invaded neighboring Ukraine and drawn the sharpest divisions with U.S.-led Western allies since the end of the Cold War. Mr. Navalny had been serving multiple prison sentences — on what supporters said were fabricated charges — that would likely have kept him locked up until at least 2031. The news of his death shocked world leaders, with Vice President Kamala Harris saying that while the United States was still trying to confirm the reports, it believed “Russia is responsible.” Russia’s Federal Penitentiary Service said in a statement that Mr. Navalny, 47, had lost consciousness and died after taking a walk on Friday in the Arctic prison where he was moved late last year. “All necessary resuscitation measures were taken, which did not lead to positive results,” the statement said. Mr. Navalny’s spokeswoman, Kira Yarmysh, said on social media that his team could not immediately confirm his death and that a lawyer was traveling to the remote town where the prison is. “As soon as we have any information, we will report it,” she said. Here are some clips…