With Alexei Navalny's death, the opposition in Russia is headless - and Putin is a lonely ruler. But for him the Kremlin critic remains dangerous.

Navalny, 47, was Russia's Nelson Mandela, an inspiring champion of freedom and reform who in 2021 chose state imprisonment in Russia over a life of exile. The charismatic and tireless Navalny had examined President Vladimir Putin's kleptocratic regime. “The unleashed forces are not disappearing”: Navalny remains a danger to Putin.