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Alexander Vindman has reached out to Army about his family's safety amid attacks by Trump and GOP lawmakers
By Ryan Browne
'I have learned many things': Kurt Volker revises Ukraine testimony
By Kyle Cheney
Who Is Jennifer Williams? Pence Aide Listened to Trump-Zelensky Call (Published 2019)
By Michael D. Shear
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'Comes down to one guy': In impeachment probe, all eyes turn to Gordon Sondland
By Rachael Bade & Aaron C. Davis
How Republicans' star impeachment witness turned on them
By Christopher Michael Cillizza
Officials Testify Trump Call Was Inappropriate; One 'Couldn't Believe' It (Published 2019)
By Michael D. Shear & Nicholas Fandos
Trump said his Ukraine call was 'perfect.' Impeachment witnesses testified otherwise.
By Karoun Demirjian, Mike DeBonis & Matt Zapotosky