Serbian broadcaster Radio Television of Serbia (RTS) announced earlier today that the Balkan nation will be represented at Junior Eurovision 2022 by 13-year-old Katarina Savić. Savić will perform a song called “World Without Borders,” with music and lyrics written by Serb musician Ivana Dragićević. The song will be released shortly. Savić is a singer and avid trombonist who also attends …