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  • Alex Marquardt
    Senior National Correspondent

    Alex Marquardt is an award-winning Senior National Correspondent based in the network's Washington bureau, focusing on national security issues.

    Full Bio

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Trump attacks impeachment witnesses, suggests he might testify

Pence aide to testify publicly Tuesday in impeachment inquiry

Former US Ambassador to Ukraine Marie Yovanovitch (C) flanked by lawyers, aides and Capitol police, leaves the US Capitol October 11, 2019 in Washington, DC after testifying behind closed doors to the House Intelligence, Foreign Affairs and Oversight committees as part of the ongoing impeachment investigation against President Donald Trump.

Marie Yovanovitch called 'bad news' by Donald Trump

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Aide who overheard Trump/Sondland call to testify tomorrow

WASHINGTON, DC - NOVEMBER 13: (L-R) Deputy Assistant Secretary for European and Eurasian Affairs George P. Kent and top U.S. diplomat in Ukraine William B. Taylor Jr. are sworn-in prior to testifying before the House Intelligence Committee in the Longworth House Office Building on Capitol Hill November 13, 2019 in Washington, DC. In the first public impeachment hearings in more than two decades, House Democrats are trying to build a case that President Donald Trump committed extortion, bribery or coercion by trying to enlist Ukraine to investigate his political rival in exchange for military aide and a White House meeting that Ukraine President Volodymyr Zelensky sought with Trump. (Photo by Joshua Roberts - Pool/Getty Images)

The big moments in the first public impeachment hearing

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New House GOP defenses of Trump contradicted by witnesses

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Dems to make their case in public hearings this week