for ukraine, in order to pressure its government to carry out investigations for his political benefit, trump yesterday in a tweet quoting republican congressman john rat cliff wrote that quote neither ambassador taylor or any other witness has provided testimony that the ukrainians were aware that military aid was being withheld. you can't are a quid pro quo with no quo. matt mccarty made similar arguments on tuesday. >> the democrats were not able to establish that ukraine was aware that military aid was temporarily withhold, they will of course be able to not prove some extortion the president is claimed to be engaged in. >> there is a claim of quid pro quo of president trump with the president of ukraine on july 25th. we've found what they said in here, on august 29th, ukraine found out that the money was being held up from "politico." >> however, "the new york times"