For Posterity: Barney's Butt

So, my sister goes to Washington, D.C. and visits all of the typical tourist sites. Animal nut that she is, most of her pictures of the White House feature Barney the Dog, on a brief romp while he evades the staff member in charge of watching him.

Here, recorded for future Presidential historians, sort of with my sister's permission and definitely without the White House's permission, Barney's posterior: