The title of this book alludes to Lumen Gentium no. 23: "Each individual bishop], as a member of the episcopal college and legitimate successor of the apostles, is obliged by Christ's institution and command to be solicitous for the whole Church, and this solicitude, though it is not exercised by an act of jurisdiction, contributes greatly to the advantage of the universal Church." No more perfect words can be found to describe the life and work...