Uncle Fred is out on the lanai, snoozing in his easy chair, when his nephew bounds in, fresh from school. F. "Hey, hey Tommy! So, what did they teach you today, my boy genius? " T. "Today we learned all about our hands & fingers in science class!" F. "Oh yeah? Izatso? Lemi test you, sonny. Ready?" T. "Ready!" F. "Ok, here we go!" Fred holds up his thumb. "All right, What's this one?" T. "That's a thumb!" F. "Right you are! What's it good for?" T. "Miss Harlot said we use it t