“In his 2010 history of protest music, 33 Revolutions Per Minute, Guardian writer Dorian Lynskey makes a bold claim about Billy Bragg: “If you ask someone to name a British protest singer,” he writes, “there is invariably only one response.” It says something about Bragg’s longevity. He has been a fixture of alternative music and leftist politics for so long that it’s worth noting how unlikely it s”