Canine communication - Dogs don't always get along

A great article about canine communication:  "No Fighting, No Biting - Dogs Don't Always Get Along".  This article has great insight about dog body language, how dogs communicate, and the dangers of people trying to suppress the natural communication dogs do.  As humans, we don't all get along all the time, why do we expect our dogs to be able to do so?  It's so important for us to understand how dogs communicate, so we don't get in their way!