[Excerpt] A new report by the AFL-CIO's Solidarity Center on core labor standards in Mexico details an iron triangle of government officials, company managers and favored "official" unions making sweetheart contract deals and suppressing workers' efforts to form independent unions. In a complaint last month, the U.S.-based United Students Against Sweatshops and an allied Mexican student organization detail discrimination against workers in two Mexican factories supplying Levi Strauss, The Limited, Tommy Hilfiger, Puma and other brand name retailers. Yet the U.S. and Canadian governments have failed to call Mexico to account for its failure to protect and promote labor rights.