SeaWorld: Even without the circus tricks, the orcas will still suffer

To understand SeaWorld's plans for a new-look show that is not quite what it seems, we have to go back to 1964 and a one-ton beast that refused to die, for a while at least. Because SeaWorld knows that, above all, whales mean business – a lesson the company learned more than 50 years ago, off the west coast of British Columbia, Canada.