@Girlwithsilverheart: This joke came right up in the 70's I think Bob Hope told it during one of his T.V specials.

@Dorkgerdo: I don't know but it's funny.

@Girlwithsilverheart: Oh yeah way funny. There have been different variations over the years.
Nixon and Fidal, Regan and Gorbachev, Gandhi, and Mother There's, many variations, still funny as heck