Trump's top Ukraine envoy testifies about deep-seated push for Ukraine quid pro quo.
Taylor’s statement described “how pervasive the efforts were” among Trump's allies to convince Ukrainian officials to launch an investigation targeting former Vice President Joe Biden and another probe centering on a debunked conspiracy theory regarding the 2016 election.
Taylor also described the extent to which military assistance to Ukraine and a potential White House meeting with Trump and his Ukrainian counterpart were tied to those investigations, the source added.