Martha Delgado, Mexico's new Vice Minister for Multilateral Affairs and Human Rights, set out her stall in an interview with The National at the World Government Summit. Victor Besa/The National.
Martha Delgado, Mexico's new Vice Minister for Multilateral Affairs and Human Rights, set out her stall in an interview with The National at the World Government Summit. Victor Besa/The National.

Trump's wall will not work and we're not paying, says Mexico's Martha Delgado