This collection of articles was first published on the website of Sentience Politics. A full-grown horse or dog is beyond comparison a more rational, as well as a more conversible animal, than an infant of a day, a week or even a month old. But suppose the case were otherwise, what would it avail? The question is not, Can they reason? nor, Can they talk? but, Can they suffer? – Jeremy Bentham From Bentham to Singer: A brief history of impartiality It is rare that a philosopher will make arg...