Ever think about where your food comes from? On today's "Oprah," Lisa Ling takes a look at farms and how animals are treated. They show the difference between "cage free," "free range" and regular ol' farms -- where many times pigs, chickens and cows are kept in cages or pens where they can't turn around, sit down or spread their wings. California voters will go to the polls on Nov. 4 to vote either for or against Proposition 2, which if passed would overhaul the standards of how animals are housed and treated.
Filed under: