Mexico, US presidents to meet amid newly tense relationship

The U.S.-Mexico relationship — a straightforward tradeoff during the Trump administration, with Mexico tamping down on migration and the U.S. not pressing on other issues — has become a wide range of disagreements over trade, foreign policy, energy and climate change.

President Andrés Manuel López Obrador is to visit Washington on Tuesday to meet with President Joe Biden, a month after López Obrador snubbed Biden’s invitation to the Summit of the Americas in Los Angeles. Mexico’s leader had demanded that Biden invite to the summit the leaders of Cuba, Nicaragua...