Continues the last lesson's discussion on the Magisterium. Jesus chose Peter to be the Church's rock and chief shepherd. The "keys to the kingdom" and the king's "prime minister" in the OT. The prominence of Peter and of the church of Rome in the Early Church. Early testimony of Petrine succession. Peter's successors throughout history. The pope, the college of bishops, and the Church's teaching office. Papal infallibility. The pope as teacher, leader, and evangelist.