One other thing. About Bo.

The bouncy presidential dog (click here) helps the first lady during a pre-Easter visit to Walter Reed National Military Medical Center.

He is a working dog as well as a family pet. He is also a dog and not a human being who might know where to find the nearby toilet. It also means there is staff that has to walk him. Bless the grounds keeper of the White House for making this a priority when Bo needs him.