NAFTA exacerbates this problem; before it, Mexican trucks had to transfer their cargo to American trucks. Now, they drive through the border and into the USA.
Of course, American truck drivers lost some jobs over this idiotic scheme.
Once you visit Mexico and see guys doing the most demeaning things to try and make a buck do you realize how strong the attraction of the USA is; jobs are precious.
Something else refreshing to read each day, until Facebook shuts off access...