Animal Rights

In 1999, Summit Ministries reported that Harvard Law School was offering classes on Animal Rights.

I just went to the Harvard web site and found a class in animal law.
http://www.law.harvard.edu/academics/courses/2009-10/?id=6803

This is part of the course description:
This is a basic course in animal law in which the student engages a broad range of cases, legislation, and concepts as they pertain to nonhuman animals. .... The second part of the course uses (a) the material from the first part of the course and (b) various constitutional and common law principles to assess current proposals that basic legal concepts, such as "rights" and "legal personhood," should be afforded some nonhuman animals.
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Isn't "non human animals" precious!
If we're just plain, old, animals, there isn't much to differentiate us from the rest of the "animal kingdom" and "legal personhood" will have to be recognized.