In 1968, Lyndon B. Johnson quit the presidential race following public pressure. Nearly 60 years later, the public appears to want the two leading candidates in the 2024 presidential election, Joe Biden and Donald Trump, to do the same. However, Johnson’s surprising departure from the race has altered the political nomination process, making it less probable that candidates such as Biden and Trump will simply step aside. The aftermath of Johnson’s withdrawal, which was marked by the Democractic nomination of Vice President Hubert Humphrey, who did not contest in a single primary, catalyzed a m…