As a new migrant caravan makes its way through Central America with the final goal of reaching the U.S., Mexico announced this week that it will not allow passage. Mexico’s Secretary of Interior Olga Sanchez Cordero said no visas or permissions for the caravan will be provided. “We will not have a transit visa or safe passage,” Sanchez Cordero told Expansion Politica. “There will be special enforcement and there will be immigration agents.” However, if caravan migrants want to stay in Mexico, procedures are available. “Mexico is not a country of transit that gives passage, it is a country that...