Readings: Isaiah 22:15, 19-23 Psalm 138:1-3, 6, 8 Romans 11:33-36 Matthew 16:13-20 (see also “Peter’s Powers”) Chants Crozier Depicting the Virgin and Child with Two Angels and the Crucifixion, France, ca. 1340-1350 (Museum of Biblical Art) Scott Hahn with David Scott “Oh, the depth of the riches and wisdom and knowledge of God!” Paul exclaims in this week’s Epistle. Sunday’s Psalm, too,…