The story of the late artist George Rodrigue, creator of the “Blue Dog” painting, will air in a special documentary on WLAE-TV on Sunday, Dec. 8, at 7 p.m., with an encore at 9 p.m. “Blue: The Life ...

During an interview for “BLUE: The Life and Art of George Rodrigue,” the artist’s son Jacques says that if you had called his grandmother a “Cajun,” she might have slapped your face.