Donald Trump has stepped up his verbal attacks on Volodymyr Zelensky, branding him a dictator who could lose his country, after the Ukrainian leader said the US president had been taken in by Russian disinformation.
Also in the programme: The Netherlands is to return more than a hundred Benin bronze sculptures to Nigeria, where they were looted by British forces in the nineteenth century; Microsoft has unveiled a chip powered by a new state of matter, which it says shows a quantum computing revolution is only years away; and two months after a failed coup, we hear from supporters of South Korea's impeached and imprisoned president.
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