FILE - This combination of two file photos shows Xochitl Galvez, left, arriving to register her name as a presidential candidate on July 4, 2023, in Mexico City, and Claudia Sheinbaum, right, at an event that presented her as her party's presidential nominee on Sept. 6, 2023, in Mexico City. The two women, considered the frontrunners in Mexico's presidential election, discussed social spending and climate change in the race's second debate Sunday, April 28, 2024, which also included Jorge Álvarez Máynez. (AP Photo/Fernando Llano, File)