Mr. Bolton describes several episodes where the president expressed willingness to halt criminal investigations “to, in effect, give personal favors to dictators he liked,” citing cases involving major firms in China and Turkey.

The memoir is a withering portrait of a president ignorant of even basic facts about the world, susceptible to transparent flattery by authoritarian leaders manipulating him and prone to false statements, foul-mouthed eruptions and snap decisions aides try to manage or reverse.

— Adam Goldman (@adamgoldmanNYT) June 17, 2020

The book confirms House testimony that Mr. Bolton was wary all along of the president’s actions with regard to Ukraine and that Mr. Trump explicitly linked the security aid to investigations involving Mr. Biden and Hillary Clinton.

— Adam Goldman (@adamgoldmanNYT) June 17, 2020