FILE - Members of the Omega Psi Phi Fraternity lead a crowd of people in prayer outside the Emanuel African Methodist Episcopal Church after a memorial for the nine people who were shot and killed during Bible study in Charleston, S.C., Friday, June 19, 2015. When violence comes to a public place, as it does all too often in our era, a delicate question lingers afterward: What should be done with the buildings where blood was shed? (AP Photo/Stephen B. Morton, File)