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Former White House press secretary Karine Jean-Pierre's rollout this week of her new book, "Independent," has been met with pushback from even liberal interviewers as she continued to defend former President Joe Biden while also explaining why she left the Democratic Party .

Her argument that the party had betrayed Biden by forcing him out of the 2024 race was strongly questioned by CBS hosts Tony Dokoupil and Gayle King. Dokoupil told Jean-Pierre, "Some Americans are going to say, ‘seriously?’" Jean-Pierre has insisted, in spite of numerous contrary reports and witnesses, that she never saw anything to make her question Biden's mental acuity.

King also pushed Jean-Pierre on Biden's mental fitness as she said her decisio

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