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- Adam Gabbatt and Maanvi Singh

12.40am BST

A new film rejects the popular narrative and recasts the former president, 96, as hugely prescient thinker, particularly on climate change.

When I reach Jimmy Carter's grandson by Zoom, he answers wearing a Raphael Warnock campaign T-shirt. Jason Carter is a lawyer and politician himself, mid-40s, animated and well-read, with blue eyes reminiscent of his grandfather's. He's just got off the phone with his 93-year-old grandmother, Rosalynn. It's a special day; Joe Biden is on his way to the Carter house in Plains, Georgia.

Related: Decades ahead of his time': history catches up with visionary Jimmy Carter