VATICAN CITY (Reuters) - An assistant bishop of the Roman Catholic archdiocese of Los Angeles in the United States has resigned because he had a secret family, including two teenage children. The Vatican said on Wednesday that Pope Benedict had accepted the resignation of Gabino Zavala, an auxiliary bishop of the diocese which has been plagued by sexual scandals. A brief Vatican announcement did not give the reason for Zavala's resignation, saying only that the pope had accepted it under the norm in canon (Church law) that says a bishop who is ill or otherwise unfit to carry out his...