US President Joe Biden said on Tuesday he may have skipped a re-election bid if he were not facing Donald Trump, adding that the Republican posed a unique threat to the country.  “If Trump wasn’t running, I’m not sure I’d be running,” Biden said at a fundraising event for his 2024 campaign outside of Boston. “We cannot let him win.”US President Joe Biden said on Tuesday he may have skipped a re-election bid if he were not facing Donald Trump, adding that the Republican posed a unique threat to the country.  “If Trump wasn’t running, I’m not sure I’d be running,” Biden said at a fundraising event for his 2024 campaign outside of Boston. “We cannot let him win.”