Day-long hearing set for January 13 over New Mexico abattoir.
Too many legal, political, and social obstacles in way, says HSUS boss.
Equine Welfare Alliance president says the end is close for slaughter trade.
Gary King files lawsuit aimed at stopping Valley Meat Co opening.
Food industry vulnerable to criminal groups eyeing huge potential profits.
“We’ll never relent in our quest to protect horses,” the HSUS says.
Remains hauled from canal after being spotted by an angler.
Quarterly testing regime introduced following horse-meat contamination scandal.