Source: Dirk Lammers Associated Press, CHARLOTTE OBSERVER, 2/3/14

SIOUX FALLS, S.D. Meat and livestock groups upset that Congress opted in the new farm bill not to back off from mandatory country of origin labeling requirements are worried the issue could start a trade war with Canada and Mexico.

Previous labeling rules required only the country of origin to be noted, such as "Product of U.S." or "Product of U.S. and Canada."

For more of this story, Click here.