Right on schedule,a cat showed up on our front steps.My sister and I were sunning ourselves on the steps and trying to decide what to do next during a rather boring summer vacation.The huge tabby-colored tomato came and brushed his long fur against our legs.He never asked for any food,mind you,but just seemed to want to be petted.We learned later the cat was a Maine coon,so named because of its size and because some people in Maine evidently thought the large breed looked like a raccoon.