TEACHER: George, go to the map and find North America.

GEORGE: Here it is!

TEACHER: Correct. Now, class, who discovered America?

CLASS: George!

TEACHER: Willy, name one important thing we have today that we didn't have ten years ago.

WILLY: Me!

TEACHER: Tommy, why do you always get so dirty?

TOMMY: Well, I'm a lot closer to the ground then you are.