…Denouncing President Donald Trump's proposed border wall between Mexico and the United States as "an open threat that violates relations and peace," the Roman Catholic Archdiocese of Mexico City said Sunday that companies who profit from its construction are "traitors to the homeland."... "The wall is a monument of intimidation and silence, of xenophobic hatred." It continued: "Any company with the intention to invest in the wall of the fanatic Trump would be immoral, but above all, its shareholders and owners should be considered traitors to the homeland."…It is unclear how many Mexican companies have expressed interest in the wall…Mexican cement maker Cemex has said it is open to providing quotes to supply raw materials for the wall but will not take part in the bidding process to build it.Grupo Cementos de Chihuahua, another company specializing in construction materials, has also signaled readiness to work on the project…