The integrity of “American Idol” as a contest for raw, undiscovered talent was called into question again after an Irish singer who once had a major-label deal, and solo album that flopped, advanced to the top rung of the competition this week. Dublin native Carly Smithson, who formerly recorded for MCA Records under her maiden name, Carly Hennessy, was one of the 24 “Idol” contestants who made it on Wednesday to the semifinal rounds voted on each week by the show’s home TV audience. Online critics immediately seized on her initial success, and her professional recording background, as further evidence… Read more »