In a speech this afternoon in Altoona, Pennsylvania, Senator Barack Obama made a groundbreaking announcement: I have long been an advocate of the less fortunate among us, of those who life has handed a crooked deck, the short end of the stick, an unfair deal. There are no Americans for who this is more true than the populations of our feedlots and industrial farms. It is time to end the exploitation of farmed animals on American soil. It is time to give up hamburgers as we have given up slave-holding. It is time for us to end our dependence on...