The Democratic Socialists of America is expanding its influence inside the Democratic Party, as socialist-backed candidates rack up primary wins and establishment Democrats increasingly fall in line behind them.That dynamic is now reaching Georgia, where Sen. Jon Ossoff backed Michigan Democratic Senate nominee Abdul El-Sayed after his primary victory, even as Republicans seek to make El-Sayed's socialist support and political associations an issue in Ossoff's own race.The victories are creating a new political vulnerability for Democrats, as party leaders increasingly close ranks behind candi...