Thousands mourn Benedict XVI as former pope lies in state at the Vatican

Read MoreHe was known as a traditionalist — “God’s rottweiler” — for fiercely adhering to church doctrine. But Benedict’s papacy was a papacy of firsts.He was known as a traditionalist — “God’s rottweiler” — for fiercely adhering to church doctrine. But Benedict’s papacy was a papacy of firsts.