(CBS) Ralph the rabbit seems to be the stuff of fairy tales: Once upon a time, there lived a rabbit named Ralph. He lived in England. But he wasn't any ordinary rabbit... But this rabbit isn't the stuff of Peter Cottontail. Ralph the rabbit would likely frighten Peter by his immense size. Ralph weighs in at 42 pounds and is about two feet long -- bigger than most 3-year-old kids. And he's still growing, eating about four pounds of food a day. One could claim Ralph's the biggest bunny ever. However, it can't be officially verified because the Guinness Book...