"Every Christmas, denizens of a high-violence, militarized America inevitably hear a song featuring a choir of children singing ‘War is over, if you want it.’ Dua Lipa, Wilco, Maroon 5, and John Legend have all covered it. It’s undoubtedly a monument of American culture, which, as Theodor W. Adorno says below, is dedicated to the “molding of reality.”