Art: FRESH FROM THE CLOISTER WALLS

VIRTUALLY none of the masterworks from one of the greatest eras of painting have ever been shown in the U.S. or anywhere else outside their native land. These are the fresco paintings of Italy, some of the transcendent achievements of the Italian Renaissance. For centuries, art lovers have had to admire them by reputation and reproduction. To see them firsthand required a trip to Italy. Before oil painting was imported from Northern Europe and the artist's vision shrank to the size of canvases that could be moved from wall to wall, the greatest...