Classically trained Austrian singer JJ won the 69th Eurovision Song Contest on Saturday with Wasted Love, a song that combines operatic, multi-octave vocals with a techno twist. Israel's Yuval Raphael came second at an exuberant celebration of music and unity that was shadowed by the war in Gaza and ruffled by discord over Israel's participation. JJ, whose full name is Johannes Pietsch, was Austria's first winner since bearded drag queen Conchita Wurst in 2014. JJ, who sings as a countertenor with the Vienna State Opera, has called Wurst a mentor. It was Austria's third victory overall in Eurovision. "This is...