One of two, 3-month-old cheetah cubs rests in the shade while on public view at the National Zoo, in Washington, on Saturday, July 28, 2012. The cubs are trying out their first week on limited view to the public. (AP Photo/Jacquelyn Martin)

Photo by: Jacquelyn Martin

One of two, 3-month-old cheetah cubs rests in the shade while on public view at the National Zoo, in Washington, on Saturday, July 28, 2012. The cubs are trying out their first week on limited view to the public. (AP Photo/Jacquelyn Martin)