What's Ailing America's Cattle?  Scientists Suspect Livestock-
Feed Additives Are Behind Distress  Updated Aug. 19, 2013 9:58
a.m. ET  A growing number of cattle arriving for slaughter at
U.S. meatpacking plants have recently shown unusual signs of
distress. Some walked stiffly, while others had trouble moving
or simply lay down, their tongues hanging from their mouths. A
few even sat down in strange positions, looking more like dogs
than cows.  "I've seen cattle walking down a truck ramp tippy-
toed," said Temple Grandin, a doctor of animal science and...
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