Mexico thinks it has a right to criticize the U.S. plan to build a 700 mile wall on our southern border to keep out people entering our country illegally. Mexican Foreign Secretary Lois Derbez says that Mexico has asked the governments of Central American nations along with Columbia and the Dominican Republic, "To join in the fight and to denounce the measure passed by the U.S. House of Representatives to build a wall," on our side of the border with Mexico. I find it to be the height of arrogance for the foreign ministry of any nation to criticize what...