US diplomat directly ties Trump to Ukraine quid pro quo
By Jeremy Herb, Kylie Atwood & Manu Raju
Ukraine Knew of Aid Freeze by Early August, Undermining Trump Defense (Published 2019)
By Andrew E. Kramer & Kenneth P. Vogel
William B. Taylor, acting U.S. ambassador to Ukraine, testifies in impeachment probe
By Rachael Bade, Karoun Demirjian & Anne Gearan
William Taylor, 'Model' Diplomat, Is at Center of Impeachment Inquiry (Published 2019)
By Michael Crowley
The Trump Impeachment Inquiry: What Happened Today
By Noah Mercer Weiland