"I will be meeting President Zelensky. He and President Trump have already spoken twice. The president called to congratulate President Zelensky on his election and on his success in the parliamentary election," Bolton said in August 2019.

"They were very warm and cordial calls," Bolton said. "We’re hoping they’ll be able to meet in Warsaw for a few minutes together, because the success of Ukraine, maintaining its free, its system of representative government, a free-market economy, a free of corruption, and dealing with the problems of the Danbass in the Crimea are high priorities here, obviously, but high priorities for the United States, as well."