Barack Obama has admitted that Joe Biden did not stage a show to win over voters following his catastrophic debate against Donald Trump. The former president wrote on social media that “bad debate nights happen” in response to the first presidential debate of 2024. The 81-year-old struggled to assert himself as he locked horns with his Republican counterpart on Thursday night. The party has reportedly started exploring how it intends to remedy the matter, including the potential of replacing Biden as the Democratic nominee. “‘But this election is still a choice between someone who has fought f…