Every three years as the Church is reading the Gospel of Mark, during the dog days of summer it stops for five weeks and turns instead to the Gospel of John for instruction on the Eucharist. We began this process July 26 with the account of the sign of the multiplication of the loaves, and will continue it August 2 and 9 as we make our way through Jesus’ “Bread of Life” discourse.Earlier this year, I wrote an article in these pages about the ongoing abuse of extraordinary ministers of the Eucharist, a phenomenon that become de facto established...