With so many current U.S. officials testifying in open hearings, and with hundreds of real-time text messages and nearly a dozen transcripts of closed-door testimony now public, the story of President Donald Trump and Ukraine is sometimes hard to follow.
ABC News: How the Trump-Ukraine allegations fit together in a timeline
US President Donald Trump and Ukrainian President Volodymyr Zelensky shake hands during a meeting in New York on September 25, 2019, on the sidelines of the United Nations General Assembly.
