an excellent post in reply to this WSJ article. His conclusion catches the simple key to a vegan future:
My parents always turned up their noses at the prospect of eating meat alternatives instead of the real thing, until Gardein came along and changed everything. It’s nice to know that competition in this niche is intensifying: it’s threatening the #1 reason that Americans continue to eat animals.
Or, in longer form, One Possible Future: A Roadmap to Animal Liberation.