twitter @SenSchumer Ukraine State Department Trump, Donald J Trump-Ukraine Whistle-Blower Complaint and Impeachment Inquiry Cipollone, Pat A Volker, Kurt D Pompeo, Mike Mulvaney, Mick Mike Pompeo 2016 Presidential Election Michael Duffey United States Politics and Government Volodymyr Zelensky National Security Council Trump-Ukraine Whistle-blower Complaint and Impeachment Inquiry Joe Biden Vought, Russell T Johnson, Ron (1955- ) Presidential Election of 2016 Taylor, William B Jr Portman, Rob US National Security Council Pat Cipollone 2020 Election Pence, Mike William Taylor Office of Management and Budget (US) Rob Portman Mike Pence U.S. Sondland, Gordon D (1957- ) Presidential Election of 2020 Donald Trump Hill, Fiona (1965- ) Rudolph W Giuliani Biden, Joseph R Jr Military Defense and Military Forces Russell T. Vought OMB Defense Department US Politics Bolton, John R John Bolton Ron Johnson Kurt D. Volker Giuliani, Rudolph W Fiona Hill Duffey, Michael Gordon Sondland nytimes.com