There needs to be some facts about NAFTA:

The Democrats have decided to criticize the North American Trade treaty, especially in declining industrial states during the primary campaign. But there are complex facts that come forth.

Exports to Mexico only account for $161 billion last year, only 1.1 percent of our economy.

Imports from Mexico have jumped five fold since 1993, but they amount only 1.7 percent of our $14 trillion economy.

Since NAFTA, the number jobs has jumped by 7 million between 1993-2007, and NAFTA accounts for 0.5 percent of the US economy.

We could reopen the treaty process, but Canada and Mexico will surely have demands as well. Canada's environmental regulations are stricter than ours, by the way.