Sources close to American Idol are saying that Nicki Minaj, America’s most melodious of songbirds, is in final talks to be a judge on the show’s next season along with Mariah Carey and a yet-to-be-determined third judge (who is rumored to be a Jonas Brother, of course.) This would give contestants who sing like C3PO’s terrifying little sister and have a penchant for dressing like nightmare ballerinas a decided leg up in the competition …