STEVE HOLLAND PRESIDENT Joe Biden announced that the United States will bring together leaders from across the African continent for a major summit in December in Washington to discuss pressing challenges from food security to climate change. "The summit will demonstrate the United States’ enduring commitment to Africa, and will underscore the importance of U.S.-Africa relations and increased cooperation on shared global priorities," Biden said in a statement. The U.S.-Africa Leaders Summit, scheduled for December 13-15, was announced simultaneously in virtual remarks by Vice President Kamala Harris to the U.S.-Africa Business Summit in Marrakech hosted by the Corporate Council on…