(COMBO) This combination of pictures created on October 16, 2024 shows US Vice President and Democratic presidential candidate Kamala Harris in Erie, Pennsylvania, on October 14, 2024 and former US President and Republican presidential candidate Donald Trump in Cumming, Georgia, on October 15, 2024. Kamala Harris went after her US presidential election rival Donald Trump's mental state and fitness for office Tuesday after the 78-year-old Republican's televised town hall veered into a surreal, impromptu music session. (Photo by DUSTIN FRANZ and Elijah Nouvelage / AFP) (Photo by DUSTIN FRANZELIJAH NOUVELAGE/AFP via Getty Images)