As rock critics have noted in the past, Bruce Springsteen’s songs exist in a world of their own--they have their own settings, characters, words, and images. It is a world that even those who know only a handful of Springsteen’s lyrics can instantly recognize, a world of highways and factories, loners and underdogs, hot rods and patrol cars. And it is a world that stretches far beyond the New Jersey state line. Indeed, Springsteen’s attention to the ideals and struggles of ordinary Americans has significantly influenced American popular culture and public debate. As a rock-and-roll troubadour, “the Boss” speaks not…