By John Clark, National Catholic Register - Indeed, one might proffer another reason given the fact that Kimberly-Clark is in the business of making diapers. And diaper sales are slowing down. Why is that, you ask? Well, fewer babies are being born. A lot fewer. In fact, the fertility rate is at an historical low... This societal trend of having fewer children has affected other companies as well, as the demand for baby and child products falls.