>> no, answer the question. no one on this planet told you that president trump was tying aid to investigations, yes or no? >> yes. >> so, you really have no testimony today that ties president trump to a scheme to withhold aid from ukraine in exchange for these investigations? >> other than my own presumptions. >> which is nothing. >> reporter: chairman schiff pushing back. >> my colleagues seem to think unless the president says the magic words that, i hereby bribe the ukrainians, that there's no evidence of bribery or other high crimes and misdemeanors. >> reporter: but ambassador sondland also insisted he wasn't acting alone. he said everyone was in the loop, and he named names. declaring that everyone from secretary of state mike pompeo to vice president mike pence knew about the campaign to pressure ukraine. >> the suggestion that we were engaged in some irregular or rogue diplomacy is absolutely false. everyone was in the loop.