A condolence book sits on a pedestal at the Smithsonian National Portrait Gallery in Washington, DC, December 30, 2024. Flags flew at half-staff across the United States on December 30 as global tributes poured in for the life and legacy of Jimmy Carter -- the longest-lived US president, who died aged 100. (Photo by ROBERTO SCHMIDT / AFP) (Photo by ROBERTO SCHMIDT/AFP via Getty Images)