Just as Jesus’ baptism launched his public ministry, our own baptisms ordinate us to a life of humble obedience and costly service. All four Gospels tell the story of Jesus’ baptism, as if every reader needs to hear it. Jesus’ cousin John, outfitted in a garment made of camel’s hair and a rustic leather belt, has set up camp in an unmarked wilderness to preach and prophesy. Everyone comes out to listen: the pious and the profane. The bankrupt and the ruined. The broken and the eccentric. Religious misfits and spiritual castoffs. All get a dose of John’s caustic threats…