When Elvis Presley died in 1977, Lester Bangs argued his death marked the end of consensus in American culture. “We will continue to fragment,” predicted the critic, portrayed by Philip Seymour Hoffman in the 2000 movie “Almost Famous.” “Along with our nurtured indifference to each other will be an even more contemptuous indifference to each other’s objects of reverence.” In other words: You’ll see the world your way, and I’ll see it mine. Don’t even try to convince me otherwise. “We will never again agree on anything as we agreed on Elvis,” Bangs, who died in 1982, wrote in the Village Voice….