Jonathan Cain, a keyboardist and guitarist for the rock band Journey, slammed left-wing rocker Bruce Springsteen as an “annoying, bitter old man” who should “shut up” about politics. “You were ‘Born in the USA,’ weren’t you?” Cain said of Springsteen, adding, “So act like it.” “We’re blessed to live where we live,” Cain said during a recent appearance on the Tom Barnard Podcast. “And I’m obviously a conservative. I used to be a Democrat back in the old days, but I just couldn’t go there anymore.” “I thought Obama, maybe, but then I saw where he was going and I’m,...