The new memoir written by President Trump's former National Security Adviser John Bolton accuses President Trump of seeking to interfere in legal investigations in order to do "personal favors" for "dictators he liked".
The White House is trying to block the book's sale-and-distribution, but copies have already fallen into the hands of reporters in the US.
Our Washington Correspondent Simon Marks reports.
IN: "As the White…."
OUT: "…is more damaging"
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