Mulvaney's lawyer has issued a statement on Bolton's book

Look how Mulvaney's Statement is evidence the Ukraine scheme was for Trump’s personal political benefit:

"It was Mr. Mulvaney's practice to excuse himself from conversations between the President and his personal counsel [Giuliani] to preserve any attorney-client privilege." https://t.co/J56rzHGKMB

— Ryan Goodman (@rgoodlaw) January 27, 2020