Grandfather Knows Best

What guy takes his granddaughter to the aquarium and spouts fish puns all day? Who accompanies her to a childrens recreation center and almost faints in the bouncy house? And which grandpa goes to the White House Easter Egg Roll so he can introduce his precious pumpkin not to the president but to Peppa Pig? Jerry Zezima, who also gives grandfatherly advice to Prince Charles, peddles his granddau...