Read previewPresident Joe Biden has offered a new explanation for his disastrous debate performance: jet lag. On debate night, a Biden campaign source told The Wall Street Journal that Biden had a cold going into the event. The Biden blame gamePost-debate, Biden critics and supporters alike have been speculating whether his age might kill the Democratic ticket's chances of winning in 2024. A House Democratic aide told Reuters that 25 Democrats are preparing to call Biden to quit the race. AdvertisementRepresentatives for Biden didn't immediately respond to requests for comment from Business Insider sent outside regular business hours.

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