Three guys, a Canadian, Bin Laden, and Uncle Sam are given one wish each by an Arabian genie.The Canadian says ", My family has been in farming for ten generations; I wish for all Canadian land to be fertile."POOF he gets his wish.Bin Laden says ", I love the land I live in and I don't want any horrors to enter, I wish for a wall to be built around Afghanistan."POOF he gets his wish.Uncle Sam says ", tell me more about this wall.""Well, it is ten feet thick, 4,000 feet high and inpenetrable.""Fill it with water."