Media Summary: Trump's first impeachment - 2020 Rep. Sean Maloney, D-N.Y., questioned Lt. Col. Trump's first impeachment - 2020 In his opening statement before the House Intelligence Committee in a public impeachment ... Trump's first impeachment - 2020 Rep. Adam Schiff, the chair of the House Intelligence Committee, questioned Lt. Col.

Watch Alexander Vindman Says It - Detailed Analysis & Overview

Trump's first impeachment - 2020 Rep. Sean Maloney, D-N.Y., questioned Lt. Col. Trump's first impeachment - 2020 In his opening statement before the House Intelligence Committee in a public impeachment ... Trump's first impeachment - 2020 Rep. Adam Schiff, the chair of the House Intelligence Committee, questioned Lt. Col. Trump's first impeachment - 2020 Lt. Col. Rep. Jackie Speier, D-Calif., questioned Lt. Col. Trump's first impeachment - 2020 Rep. Joaquin Castro, D-Texas, questioned Lt. Col.

While answering questions on why he is choosing to testify, Lt. Col. ABC News' Linsey Davis interviews retired Army Lt. Col.

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WATCH: Alexander Vindman says it was 'my duty' to come forward | First impeachment
WATCH: Alexander Vindman says Trump-Zelensky call was 'improper' | Trump's first impeachment
WATCH: Alexander Vindman says he needed to immediately report Trump-Zelensky call
WATCH: Alexander Vindman says coming to U.S. as a refugee instilled a ‘sense of duty’
WATCH: Alexander Vindman says he was excluded from some meetings after reporting concerns
WATCH: Alexander Vindman says he's not aware of Ukrainian interference in 2016 U.S. election
WATCH: Alexander Vindman says Volker, Sondland were advocating for U.S.’ best interests
WATCH: Alexander Vindman’s full opening statement | Trump's first impeachment hearings
Vindman Receives Applause After Explaining Why He Spoke Out: ‘This Is America’ | NBC News
WATCH: ‘Right matters,’ Vindman says when asked why he’s testifying | Trump impeachment hearings
WATCH: Alexander Vindman refuses to give information that could identify Trump whistleblower
Live with Alexander Vindman
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WATCH: Alexander Vindman says it was 'my duty' to come forward | First impeachment

WATCH: Alexander Vindman says it was 'my duty' to come forward | First impeachment

Trump's first impeachment - 2020 Rep. Sean Maloney, D-N.Y., questioned Lt. Col.

WATCH: Alexander Vindman says Trump-Zelensky call was 'improper' | Trump's first impeachment

WATCH: Alexander Vindman says Trump-Zelensky call was 'improper' | Trump's first impeachment

Trump's first impeachment - 2020 In his opening statement before the House Intelligence Committee in a public impeachment ...

WATCH: Alexander Vindman says he needed to immediately report Trump-Zelensky call

WATCH: Alexander Vindman says he needed to immediately report Trump-Zelensky call

Trump's first impeachment - 2020 Rep. Adam Schiff, the chair of the House Intelligence Committee, questioned Lt. Col.

WATCH: Alexander Vindman says coming to U.S. as a refugee instilled a ‘sense of duty’

WATCH: Alexander Vindman says coming to U.S. as a refugee instilled a ‘sense of duty’

Trump's first impeachment - 2020 Lt. Col.

WATCH: Alexander Vindman says he was excluded from some meetings after reporting concerns

WATCH: Alexander Vindman says he was excluded from some meetings after reporting concerns

Rep. Jackie Speier, D-Calif., questioned Lt. Col.

WATCH: Alexander Vindman says he's not aware of Ukrainian interference in 2016 U.S. election

WATCH: Alexander Vindman says he's not aware of Ukrainian interference in 2016 U.S. election

Trump's first impeachment - 2020 Rep. Joaquin Castro, D-Texas, questioned Lt. Col.

WATCH: Alexander Vindman says Volker, Sondland were advocating for U.S.’ best interests

WATCH: Alexander Vindman says Volker, Sondland were advocating for U.S.’ best interests

Trump's first impeachment - 2020 Lt. Col.

WATCH: Alexander Vindman’s full opening statement | Trump's first impeachment hearings

WATCH: Alexander Vindman’s full opening statement | Trump's first impeachment hearings

Trump's first impeachment - 2020 Lt. Col.

Vindman Receives Applause After Explaining Why He Spoke Out: ‘This Is America’ | NBC News

Vindman Receives Applause After Explaining Why He Spoke Out: ‘This Is America’ | NBC News

While answering questions on why he is choosing to testify, Lt. Col.

WATCH: ‘Right matters,’ Vindman says when asked why he’s testifying | Trump impeachment hearings

WATCH: ‘Right matters,’ Vindman says when asked why he’s testifying | Trump impeachment hearings

Lt. Col.

WATCH: Alexander Vindman refuses to give information that could identify Trump whistleblower

WATCH: Alexander Vindman refuses to give information that could identify Trump whistleblower

Trump's first impeachment - 2020 Lt. Col.

Live with Alexander Vindman

Live with Alexander Vindman

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Alexander Vindman on reporting Trump call: ‘I knew the right thing to do’

Alexander Vindman on reporting Trump call: ‘I knew the right thing to do’

ABC News' Linsey Davis interviews retired Army Lt. Col.