Support WBURBolton Deputy Wants Court Ruling Before He Talks In Trump Impeachment InquiryFranco OrdoñezMara LiassonClaudia GrisalesOctober 28, 2019 ShareA 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)
