LOS ANGELES (AP).- An Italian lawmaker offered a cultural exchange proposal Monday that sounded a little like an ultimatum, saying officials at the J. Paul Getty Museum should behave ethically and return knowingly looted art. Gov. Gian Mario Spacca of the Marche region on the Adriatic Sea made the comment three days after officials at the Southern California museum told him they could not talk about the disputed “Victorious Youth” statue because the case was still in Italian court. “We have not come to declare war on the Getty,” Spacco said in a telephone interview with The Associated Press before his news conference with reporters. However, he said the museum should do what is right or risk losing the statue forever. “We are here to try to resolve the dispute in a way that will benefit this great museum, the people