On Sun, 11 Jan 2015, Bill McGarrity wrote to Sean Dennis:

 SD> -- Dogs come when you call them, cats have answering machine.

 BM> I only have dogs now.  The litter box was the cat's downfall... :) 

you should have taught them (cats) to use the toilet like other civilized
creatures... they can actually do that and flush after themselves, too ;)

)\/(ark