While I'm personally not a vegetarian, I ran across this video of Geezer Butler giving his testimony on why he doesn't eat meat, and hasn't since age 8. Unlike a lot of Peta videos, there's no overt "shock imagry" to the thing, so if that kind of thing turns you off (like it does me), then you can watch this video and not worry about that.
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http://www.black-sabbath.com/news/index.html il video.
