ROME (AP) — A new exhibition in Rome is celebrating one of the most important patron-artist relationships in European history, one that propelled a young prodigy named Gian Lorenzo Bernini into a towering figure of Baroque art and architecture. “Bernini and the Barberini,” which opens Thursday, explores the complex relationship between Bernini and Pope Urban VIII, who ruled from 1623-1644. Urban is credited with discovering Bernini and, with him, embarking on a project to make Rome the artistic