New book offers rare glimpse inside Biden's tight-knit White House inner circle
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Tight inner circle of longtime advisors known as "the Quint" shapes Biden's decision-making and doesn't often leak information.
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Book provides look inside Biden's mindset and ideology as president.
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Details Biden's relationship with Ukrainian President Zelenskyy.
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Discusses lowest point of Biden's presidency so far.
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Speculates on what's in store for Biden as he prepares for a potential re-election campaign as the oldest sitting president.