The administration of U.S. President Joe Biden’s new push to curb northward migration flows in Latin America will likely prove largely unsuccessful -- portending more disruptions at the U.S.-Mexico border that could further impede regional cooperation by prompting local lawmakers in the United States to increase their anti-immigration rhetoric and policies ahead of contentious midterm elections. At the end of the Summit of the Americas in Los Angeles on June 10, 20 countries signed a joint declaration to create a region-wide approach to curbing high rates of migration, with an emphasis on curbing migration flows to the United States specifically. The initiative is focused on four main pillars: stability and assistance for communities in migrants' countries of origin, expansion of legal pathways for migration, more humane management of migration, and coordinated emergency response in the case of sudden hikes in migration....