As the 68th Eurovision Song Contest kicks into full gear, organizers who insist the event is “non-political” are fighting a crescendo of protests over Israel’s participation amid the ongoing war in Gaza. The European Broadcasting Union, which organizes the global competition held in the Swedish city of Malmö this year, has tirelessly pushed one slogan: “United by Music.” But the group’s decision to keep Israel among 37 nations vying for a trophy has instead divided Malmö, triggered global petitions, caused artists to boycott and generated plans for a flood of street protests. Eurovision launched with its first semifinal on Tuesday.…