Welcome, Your AccountLog OutBy Daria Litvinova and Jim Heintz, Associated Press MOSCOW -- Russian police arrested more than 2,600 people Saturday in nationwide protests demanding the release of opposition leader Alexei Navalny, the Kremlin's most prominent foe, according to a group that counts political detentions.The protests in scores of cities in temperatures as low as minus-50 C (minus-58 F) highlighted how Navalny has built influence far beyond the political and cultural centers of Moscow and St. Petersburg.In Moscow, an estimated 15,000 demonstrators gathered in and around Pushkin...…Welcome, Your AccountLog OutBy Daria Litvinova and Jim Heintz, Associated Press MOSCOW -- Russian police arrested more than 2,600 people Saturday in nationwide protests demanding the release of opposition leader Alexei Navalny, the Kremlin's most prominent foe, according to a group that counts political detentions.The protests in scores of cities in temperatures as low as minus-50 C (minus-58 F) highlighted how Navalny has built influence far beyond the political and cultural centers of Moscow and St. Petersburg.In Moscow, an estimated 15,000 demonstrators gathered in and around Pushkin...WW…