Louisiana's attorney general said Monday that shops can sell T-shirts with the phrase "Who Dat" and the fleur-de-lis symbol if they don't make other references to the New Orleans Saints or the National Football League. Attorney General Buddy Caldwell said he had a conference call with the NFL's general counsel to discuss cease-and-desist letters some Louisiana T-shirt makers received from the league. The letters demanded they stop selling shirts featuring the phrase that's part of a popular cheer by Saints fans, citing trademark infringement. "They've conceded and they've said they have no intention of claiming the fleur-de-lis, which would be ridiculous, or the 'Who Dat,' which would be equally ridiculous," Caldwell said in an interview. Source: MSNBC