The idea that someone who has fallen foul of the self-styled moral majority yet can return with genuinely incendiary work remains fascinating At first glance, Kanye “Ye” West and the Arcade Fire’s lead singer Win Butler might seem to have little in common. Ye has built his increasingly deranged career on provocation and confrontation, and that has now reached its nadir in his latest single, “Heil Hitler,” in which he declares that “All my niggas Nazis, nigga Heil Hitler.” After listing the