Katherine “Scottie” MacGregor, who is remembered for her nine-season stint as uppity shopkeeper Mrs. Oleson on NBC family drama “Little House on the Prairie” (later “Little House: A New Beginning”) died Tuesday in Woodland Hills, California. She was 93 MacGregor played the gossipy, mean-spirited Harriet Oleson in the 1974 to 1983 NBC drama, who was […]