WaPo has some stuff from the Bolton book too...
...“Bolton recounts numerous private conversations Trump had with other leaders that revealed the limits of his knowledge. He recalls Trump asking Kelly if Finland is part of Russia. In a meeting with then-British Prime Minister Theresa May in 2018, a British official referred to the United Kingdom as a “nuclear power,” and Trump interjects: “Oh, are you a nuclear power?” Bolton adds that he could tell the question about Britain, which has long maintained a nuclear arsenal, “was not intended as a joke.”
...Bolton attributes a litany of shocking statements to the president. Trump said invading Venezuela would be “cool” and that the South American nation was “really part of the United States.” Bolton says Trump kept confusing the current and former presidents of Afghanistan, while asking Japanese Prime Minister Shinzo Abe to help him strike a deal with Iran. And Trump told Xi that Americans were clamoring for him to change constitutional rules to serve more than two terms, according to the book. He also describes a summer 2019 meeting in New Jersey where Trump says journalists should be jailed so they have to divulge their sources: “These people should be executed. They are scumbags,” Trump said, according to Bolton's account.