U.S. Secretary of Agriculture Tom Vilsack, Secretary of the Treasury Janet Yellen, President Joe Biden, Secretary of State Antony Blinken and Senegal President Macky Sall attend the U.S.-Africa Leaders Summit Closing Session on Promoting Food Security and Food Systems Resilience, at the Walter E. Washington Convention Center, in Washington, D.C., U.S. December 15, 2022. REUTERS/Ken Cedeno/File Photo