Former President Barack Obama was reluctant to endorse Kamala Harris after Joe Biden announced he was dropping out of the race.

Now, RadarOnline.com can report Obama was convinced the vice-president didn't stand a chance against Donald Trump – and he turned out to be right. Article continues below advertisement

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After Biden made his shocking decision, Obama called for patience before rushing to announce a new Democratic nominee.

Veteran ABC News correspondent Jonathan Karl reveals in his new book Retribution: Donald Trump and the Campaign That Changed America , Obama was hoping for an in-depth "process" to determine who would run.

However, after Harris was announced as the new nominee, prominent Democrats rushed to sha

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