Calls for President Joe Biden to step down from the 2024 presidential election have been met with resistance from the former president, who recently sent a letter to Democratic leaders showing his commitment to stay in the race. A new 2024 election poll looks at how Biden fares against former President Donald Trump and how potential replacements would do. What Happened: Biden and Trump have been the presumptive party nominees in the 2024 presidential election before the performance in the presidential debate by Biden led to calls for him to step aside. Election polls after the debate have most…