which is consistent with his testimony, he says, are we now saying security assistance and white house meeting are conditioned, quid pro quo, conditioned on investigations. the famous response from gordon sondland, another thing we will be hearing about for a long time, call me. taylor says again as i said on the phone, making a record, i think it's crazy to withhold security assistance to help with the political campaign. almost a five-hour gap, just after midnight to just after 5:00 a.m., he talks to the president and comes up with this cover up statement. >> the text message chain on the quid pro quo, alexander vindman yesterday, colonel vindman goes back to the original call, the original sin of the trump evidence you told us about. >> so, again, vindman's testimony is so important because he tells us the same two things were in play here, the president wanted an investigation of the 2016 election and the bidens. the thing that's so important about vindman is he is the first witness who actually listened to that july 25th call when it happened. >> an ear witness. >> an ear witness, right,