The first paragraph of the NYT story on Bolton contains several key details:
— Marshall Cohen (@MarshallCohen) January 27, 2020
"Trump told" = Trump said it himself
"In August" = weeks after Zelensky call
"$391 million" = all the aid (DoD + State)
"helped with investigations = quid pro quo
"the Bidens" = explicit, not 'Burisma' pic.twitter.com/2AzIBAEGrc