AdvertisementBolton Deputy Wants Court Ruling Before He Talks In Trump Impeachment InquiryOctober 28, 2019Franco OrdoñezMara LiassonClaudia GrisalesfacebookEmailA view of the U.S. Capitol this month. Charles Kupperman, deputy to former national security adviser John Bolton, did not appear Monday to testify in the impeachment inquiry of President Trump. (AFP via Getty Images)