Despite promises that NAFTA would help keep Mexicans at home, illegal immigration to the U.S. has accelerated. About two-thirds of the estimated 12 million illegal immigrants in the United States have arrived since 1995, according to the Pew Hispanic Center. Many hail from rural Mexico — casualties, critics say, of a trade deal that pitted highly subsidized U.S. and Canadian agribusiness against Mexican producers working tiny plots. HERE! [1]