Trump may ‘end up torpedoing’ the new NAFTA after threatening Mexico with a costly tariff Written on May 31, 2019. Posted in PT Global Economy. This content is restricted to site members. If you are an existing user, please log in. New users may register below.Existing Users Log InUsername or EmailPassword Remember Me New User RegistrationChoose a Username*First Name*Last Name*Email*PasswordConfirm Password*Required field Previous Next