US Secretary of State, Antony Blinken, greets to the press while boarding a plane at the "Felipe Angeles" International Airport after his meeting with Mexican President Andres Manuel Lopez Obrador in Zumpango, State of Mexico, Mexico on December 27, 2023. Blinken arrived in Mexico on Wednesday in hopes of tackling surging migration, which has become a major political headache for President Joe Biden as he enters an election year. (Photo by Rodrigo Oropeza / AFP)