An essential question...and rocks--lots of rocks.An essential reply...and something about a rock.What's that about?"e;Who do you say that I am?"e; Jesus asked.Before that crucial question, there were dozens of clues: the rock that sheltered Moses when he asked to see the face of God, the rock that gushed water for a million thirsty migrants, the rock that formed a solid foundation, and the rock that trips people.Simon Peter got the answer out."e;You are the Christ, the Son of the Living God!"e;And on this great rock, this great realization, Jesus said, "e;I will build my church."e;And there it is, the Shekinah--the glory of God!