Stephanie Nall | Sep 10, 2012 12:00AM EDT
Billions of dollars worth of fresh produce and pharmaceuticals cross the Mexican border each year to enter the U.S., and billions more in poultry and meat gets shipped south.
Stephanie Nall | Sep 10, 2012 12:00AM EDT
Billions of dollars worth of fresh produce and pharmaceuticals cross the Mexican border each year to enter the U.S., and billions more in poultry and meat gets shipped south.