One afternoon a man came home from work to find total mayhem in his house. His three children were outside, still in their pajamas, playing in the mud, with empty food boxes and wrappers strewn all around the front yard.

The door of his wife's car was open, as was the front door to the house. Proceeding into the entry, he found an even bigger mess. A lamp had been knocked over, and the throw rug was wadded against one wall. In the front room the TV was loudly blaring a cartoon chann…