Pope Benedict XVI, bottom right, spreads incense during a mass for the opening of the synod of bishops in St. Peter's Square, at the Vatican, Sunday, Oct. 7, 2012. Pope Benedict XVI has also named two new "doctors" of the church, conferring the Catholic Church's highest honor on a 16th-century Spanish preacher St. John of Avila, and to St. Hildegard of Bingen, and a 12th— century German mystic who wasn't even officially recognized as a saint until earlier this year. (AP Photo/Alessandra Tarantino)

Associated Press
Pope Benedict XVI, bottom right, spreads incense during a mass for the opening of the synod of bishops in St. Peter's Square, at the Vatican, Sunday, Oct. 7, 2012. Pope Benedict XVI has also named two new "doctors" of the church, conferring the Catholic Church's highest honor on a 16th-century Spanish preacher St. John of Avila, and  to St. Hildegard of Bingen, and a 12th— century German mystic who wasn't even officially recognized as a saint until earlier this year. (AP Photo/Alessandra Tarantino)
Pope Benedict XVI, bottom right, spreads incense during a mass for the opening of the synod of bishops in St. Peter's Square, at the Vatican, Sunday, Oct. 7, 2012. Pope Benedict XVI has also named two new "doctors" of the church, conferring the Catholic Church's highest honor on a 16th-century Spanish preacher St. John of Avila, and to St. Hildegard of Bingen, and a 12th— century German mystic who wasn't even officially recognized as a saint until earlier this year. (AP Photo/Alessandra Tarantino)