Self-proclaimed election predictor who correctly guessed the winner of Presidential elections 10 times between 1984 and 2020 using a system of "13 keys to the White House" but finally got it wrong in 2024 due to measuring the keys using his personal bias this time.
Allan Lichtman incorrectly predicted Donald Trump would lose the 2024 US Presidential Election because Kamala Harris actually had 9 out of 13 keys against her favor.