By The Associated Press A Russian court on Monday convicted a top opposition activist of treason for publicly denouncing Moscow’s war in Ukraine and sentenced him to 25 years in prison as part of the Kremlin’s relentless crackdown on critics of the invasion. Vladimir Kara-Murza, Jr., an activist and journalist who twice survived poisonings he blamed on Russian authorities, has rejected the charges against him as punishment for standing up to President Vladimir Putin and likened the proceedings to the show trials under Soviet dictator Josef Stalin. Human rights organizations and Western governments denounced the verdict and demanded his release.