If anyone is interested in the sate of legal thinking around "animal rights", I recommend this excellent book by Cass Sunstein and Martha Nussbaum, which offers

If anyone is interested in the sate of legal thinking around "animal rights", I recommend this excellent book by Cass Sunstein and Martha Nussbaum, which offers a nice overview of the field: http://smile.amazon.com/Animal-Rights-Current-Debates-Directions/dp/0195305108 http://smile.amazon.com/Animal-Rights-Current-Debates-Direct... It includes leading proponents and opponents of legal protections for non-human animals.