All coverage
White House Seeks Deal for Whistle-Blower to Speak to Congress (Published 2019)
By Michael S. Schmidt, Julian E. Barnes & Maggie Haberman
Ukrainians understood Biden probe was condition for Trump-Zelenskiy talks, says former Ukrainian adviser
By Lucien Bruggeman & Patrick Reevell
Ex-adviser to Ukraine's president says Biden case was precondition to Trump phone call
By Zachary Basu
How 'transcripts' of presidential calls are created - The Washington Post
By Carol D. Leonnig & Katie Mettler
Trump's first impeachment: The process and how it worked - The Washington Post
By Harry Stevens, Aaron Steckelberg & Kate Rabinowitz