Complex sentence: Complicating matters are a corrupt senator who makes no effort to conceal his racial bigotry and the wishes made by those unknowingly in the vicinity of the hidden crock, including Sharon, who gives the senator a taste of his own hateful medicine by accidentally turning him black.
Split into simpler sentences: Complicating matters are the wishes made by those unknowingly in the vicinity of the hidden crock, and a corrupt senator who makes no effort to conceal his racial bigotry. Sharon gets her wish (accidentally made on the enchanted gold) to give the senator a taste of his own hateful medicine by turning him black.