Biden admitted his mistake.

Joe Biden has admitted to several mistakes during his political career, notably conceding his June 2024 presidential debate performance was a "bad night" and a "mistake"

. He also expressed regret for saying it was time to put Donald Trump in a "bull's-eye" prior to the July 2024 assassination attempt. Other admissions included errors on pandemic response and past crime legislation. 

Key instances of Joe Biden admitting mistakes:

• 2024 Debate Performance: Biden admitted his performance in the June 27, 2024, presidential debate was poor. He said, "I had a bad night".
• "Bull's-eye" Comment: Biden called his comment about targeting Trump a "mistake".
• Pandemic Response: In January 2022, Biden acknowledged that the lack of widespread COVID-19 testing was an error.
• Criminal Justice: In 2019, he expressed regret for supporting "tough-on-crime" legislation from the 1990s. This included sentencing disparities for crack and powder cocaine.