birds do it, bees do it, even the rich do it

"It is these people -- policy makers and opinion leaders -- that have never suffered the lack of adequate sanitation, and if they have, it is too long ago to remember the undignified, inhumane circumstances, he added.

"These people use a fancy toilet, which is connected to an effective sewer system. And they are probably unaware that this toilet and its flushing system are critical to a healthy life.""