Former National Security Adviser John Bolton confirmed the central charge of House Democrats' impeachment case against President Trump, telling ABC News in an interview broadcast Sunday night that Trump "directly linked" security assistance to Ukraine "with the investigation" of former Vice President Joe Biden and his son Hunter. Bolton defended his decision to remain silent during the impeachment hearings and Senate trial, telling ABC's Martha Raddatz that his testimony wouldn't have changed any Republican votes, arguing that Democrats impeached Trump incorrectly, and proposing that speaking up now is more damaging to Trump. He added that what Trump did with Ukraine was probably an impeachable offense, and he told USA Today he "probably would have" voted to convict Trump if he were a senator.

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