Report: Bolton says Trump tied Ukraine funds to Biden probe

WASHINGTON -- President Donald Trump told his national security adviser he wanted to maintain a freeze on military assistance to Ukraine until it aided political investigations into his Democratic rivals, according to a report in The New York Times on Sunday.

The newspaper said John Bolton's description of his exchange with Trump appears in drafts of his forthcoming book. The revelation challenges the defense offered up by Trump and his attorneys in his Senate impeachment trial and raises the stakes as the chamber decided this week whether to seek sworn testimony from Bolton and other witnesses.

Bolton, who acrimoniously left the White House a day before Trump ultimately released the Ukraine aid Sept. 11, has already told lawmakers he is willing to testify, despite the president's order barring aides from cooperating in the probe.

The White House did not respond to a request for comment Sunday night. Trump's personal attorney Rudy Giuliani, who has played a prominent role in the Ukraine affair, replied to a request for comment with a text: "I used to like and respect John and tell people they were wrong about how irresponsible he was. I was wrong."

Democrats need at least four Republicans to vote with them to seek witness testimony. Those prospects looked unlikely in recent days and it's unclear whether the new revelations about Bolton's book will sway any GOP senators.

Democrats quickly sought to ramp up the pressure on their Republican counterparts.

"John Bolton has the evidence," tweeted Senate Minority Leader Chuck Schumer. "It's up to four Senate Republicans to ensure that John Bolton, Mick Mulvaney, and the others with direct knowledge of President Trump's actions testify in the Senate trial."

Senate Majority Leader Mitch McConnell had no immediate comment, according to his office.

The Associated Press has not confirmed the content of Bolton's draft book. A person familiar with the matter told the AP the book had been submitted to the White House for pre-publication review, which is standard for the work of former officials with security clearances. The person insisted on anonymity to discuss the sensitive subject.

The book's publisher, Simon & Schuster, declined to comment.

Sarah Tinsley, an adviser to Bolton, said: "The ambassador's manuscript was transmitted to the White House in hard copy several weeks ago for pre-publication review by the NSC. The ambassador has not passed the draft manuscript to anyone else. Period."

Bolton attorney Charles J. Cooper said in a statement the pre-publication review process had been "corrupted and that information has been disclosed by persons other than those properly involved in reviewing the manuscript."

Democrats accuse Trump of abuse of power in withholding the military assistance to Ukraine to push that country to mount investigations into Democrats, including former Vice President Joe Biden and his son Hunter, who served on the board of a Ukraine gas company, Burisma, while his father was in office.

On Saturday, the president's attorneys said during their opening day of defense arguments there was no evidence Trump made the military aid contingent on the country announcing an investigation into Biden.

The Times also reported Bolton says he told Attorney General William Barr he was mentioned by Trump on his July 25 call with Ukrainian President Volodymyr Zelenskiy. A Justice Department official on Sunday disputed Bolton's account he had told Barr about the president's call with Zelenskiy but did say Bolton had called Barr to raise concerns about Giuliani's shadow diplomacy efforts.

Trump on Wednesday told reporters in Davos, Switzerland, he didn't want Bolton to testify before the Senate.

"The problem with John is it's a national security problem," Trump said. "He knows some of my thoughts. He knows what I think about leaders. What happens if he reveals what I think about a certain leader and it's not very positive and then I have to deal on behalf of the country?"

He added: "It's going to be very hard. It's going to make the job very hard."