A top U.S. delegation is to meet with Mexico's president Wednesday in what many see as a bid to get Mexico to do more to stem a surge of migrants reaching the U.S. southwestern border.
Mexican President Andrés Manuel López Obrador has said he is willing to help, but also says he wants to see progress in U.S. relations with Cuba and Venezuela, two of the top senders of migrants, and more development aid for the region.
