What does it mean to "eat Christ's flesh" (John 6:53)? And what does this eating have to do with the bread and wine of the eucharistic meal which Jesus called his "body" and "blood" (1 Cor 11:23-25)? These are central questions in the theology of the Eucharist. Memorialism says that to eat Christ's flesh is to take joy in Christ's person and work. The bread and wine of the Eucharist make it possible to engage in this sort of eating sacramentally by...