Receiving heads of state.
The state of alert in the White House rises to Defecate 2.
A: Conetiquette
To stop themselves sinking into the sand. Why did the ostrich stick its head in the sand To look at the camels who forgot to put their sandals on.
Sister-Matic
Gee, I'll never part with it!
A little plaque.
They both say "Insert Bill Here"
One US Leader
A tourist.
A: Depends on how many were photographed.