TALLINN, Estonia (AP) — A court in Moscow sentenced a student activist to 8 1/2 years in prison for social media posts criticizing Russia’s war in Ukraine, the latest step in a sweeping crackdown on dissent unleashed by the Kremlin. He ran a popular Telegram channel called Protest MSU, which was launched in 2018 to cover student protests against the construction next to the university’s main building of a fan zone for the Russia-hosted World Cup soccer tournament. “I, in the meantime, stand by every word I wrote a year ago