(Most info here is from T. Campbell, P. Singer, or M. Pollan's works iirc; if you want to know specifically where something comes from I can dig up the references, but that's a lot of work and this is just what I've synthesized.)
While preparing for the GRE, in one of my characteristic attempts to avoid Actual Work, I started reading up on veganism. I've been a vegetarian for about a year and a half, and pseudo-vegetarian for about six months before that, and that's been going pretty well; in Ann Arbor, lovely town that it is, vegetarianism is not especially uncommon, so it hasn't really been difficult or shocking to explain to people. How