By Jennifer O'Connor – Special to CNN
The 13th Amendment to the U.S. Constitution prohibits the condition of slavery. But it does not refer to a "person" or any particular class of victims.
So, can animals be slaves?
In a precedent-setting case, PETA, three marine-mammal experts and two former orca (killer whale) trainers are suing SeaWorld on behalf of five orcas who were taken from their home by force, locked up, put to work and never allowed to leave - the very definition of slavery.
Corky, Kasatka and Ulises went from exploring the vast seas with their families to a sterile tank barely larger than their own bodies at SeaWorld San Diego. Tilikum and Katina float listlessly between performances at SeaWorld Orlando. Now all five orcas will get their day in court. FULL POST