David L. Wolper, whose 1977 miniseries Roots - a generational saga of an American family - became a landmark in television history, has died. He was 82. Wolper's spokesman, Dale Olson, said Wolper died peacefully in his Beverly Hills home Tuesday evening while watching television with his wife Gloria. Olson said Wolper died of congestive heart disease and complications of Parkinson's disease. During a long career, Wolper also produced the children's classic "Willy Wonka and the Chocolate Factory." But his TV work remained his best-known accomplishment, particularly "Roots," based on the best seller by Alex Haley. The ABC series was...