Greg Dulli — former Afghan Whigs frontman and Twilight Singers’ sole constant — has been running toward and away from his thinking-woman’s douchebag persona for years. Dynamite Steps, his strongest, most widescreen set since the Whigs’ mid-’90s heyday (even if it could use another chorus or two), continues that push and pull. Is he a tool who can get away with belting “Spread your legs / Insert your alibi” (“On the Corner”) or is he a misunderstood balladeer (the brief but exhausting “She Was Stolen”). One day, Dulli may start singing within his vocal limitations; but let’s hope not. His singular melodrama would suffer if he did.