Do we need another jukebox musical? In the case of "Rolling Thunder: A Rock Journey," the answer is a wavering yes. Written with more insight than usual by Bryce Hallett, with musical direction by Sonny Paladino, "Rolling Thunder" manages to find a fresh way to bring that era to life, opening with a brash burst of music ("Magic Carpet Ride" by Steppenwolf) and a period newscast of Nixon explaining why the war was exp…