Ostensibly, Roger’s World is an account of Charles Siebert’s whistle-stop tour of primate retirement homes in America. By the author’s reckoning, there are approximately two to three thousand chimpanzees in America, as well as a substantial number of their primate cousins. He travels across the country, visiting captive chimpanzees on an ‘impromptu farewell tour of our own kidnapped and ca ... (read more)