ATLANTA, GA (AP).- An exhibition of works by the Italian master Titian and others is opening in Atlanta and puts two of the Renaissance artist’s finer masterpieces on U.S. display for the first time. “Diana and Actaeon” and “Diana and Callisto” were painted between 1556 and 1559 for King Philip II of Spain. Designed as a pair, with a stream flowing from one to the other, the pieces were part of a six-painting series exploring mythological themes. The two works anchor a new exhibition “Titian and the Golden Age of Venetian Painting: Masterpieces from the National Galleries of Scotland,” which opens Saturday at Atlanta’s High Museum of Art and runs through Jan. 2. The exhibit showcases 25 works overall — 12 paintings and 13 drawings — by artists of the period and is highlighted by the