Visitors to the Smithsonian National Portrait Gallery take pictures of a framed portrait of former US President Jimmy Carter 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)