For several years he kept two horses and while they did their work well he suddenly concluded to dispose of them and buy a pair of mules instead. View Full Article in Timesmachine » Advertisement ...

Beyond its use as a label for a very stubborn person, you might be aware the mule is a hybrid animal, related to horses and donkeys but properly belonging to neither species. A mule is a cross ...

Just because mules are a cross between a male donkey and a female horse, why curse them from birth with a name like mule.