It is still the conventional wisdom in the U.S. that compliance with N

It is still the conventional wisdom in the U.S. that compliance with NAFTA requirements is having a deleterious effect on U.S. highway safety standards, on U.S. pollution and other environmental standards, and on U.S. jobs.

What facts would proponents of an expansion of NAFTA (e.g., to include all of Central and South American countries) need to marshall in order to convince you?

ANSWER

The answer is subjective. Presumably the answer should include reasonable and objective counter-factual scenarios (what would be the job or pollution situation with and without NAFTA).