Sex abuse survivor Alessandro Battaglia, right, is hugged by survivor and founding member of the ECA (Ending Clergy Abuse), Denise Buchanan, during a twilight vigil prayer near Castle Sant' Angelo, in Rome, Thursday, Feb. 21, 2019. Pope Francis opened a landmark sex abuse prevention summit Thursday by warning senior Catholic figures that the faithful are demanding concrete action against predator priests and not just words of condemnation. (AP Photo/Gregorio Borgia), APTOPIX