Mexican President Andrés Manuel López Obrador warned on Sunday during an interview with "60 Minutes" that unless the United States complies with Latin America’s requests for aid, the tide of migrants will continue. In January, Obrador issued a series of demands for what the U.S. must do to stop the flow of migrants to the border, ranging from sending Latin American countries $20 billion in aid a year to granting some level of amnesty to illegal immigrant workers in the U.S.