Flanked by members of Congress from both parties, President Donald Trump sat in a high-backed red chair at an ornate desk in the Capitol and began affixing his signature to documents. One act was related to Cabinet duties while another directed that U.S. flags be flown at full staff on Inauguration Day. Trump had bristled at the idea of flags flying at half-staff, as directed by Biden, for 30 days to honor the death of former President Jimmy Carter.