Mick Mulvaney
The president's critics on social media point out everything weird about this image.
The opening of the defense's case comes after a three-day presentation by House Democrats.
Republicans have struggled to defend the president's own words as the Senate impeachment trial plays out.
GOP senators also turned back Democratic amendments to subpoena documents from the White House, State Dept., Defense Dept. and budget office.
WHAT'S HAPPENING
Former National Security Adviser John Bolton was reportedly among those who tried to convince Trump to release the aid.
Robert Blair, senior adviser to acting White House chief of staff Mick Mulvaney, was on the president's July 25 call with Ukraine that sparked the impeachment process.
Republicans for the Rule of Law coalition stepped up pressure for a full Senate impeachment trial.
The president will be looking for revenge.
The agency said it temporarily delayed the funds as part of a common and lawful process to ensure the spending was in line with U.S. policy.
The acting White House chief of staff previously said there was a quid pro quo between the U.S. and Ukraine, arguing it happens "all the time."