refuse to come forward. but we see career people in the u.s. government stepping forward, sometimes at great risk to their careers despite the protections we have for civil servants o talk about what they saw. i think it's pretty powerful. i think the ambassador' testimony yesterday was pretty heartening to americans to see the people who are representing us in dangerous places doing difficult things on behalf of our government. >> andrew, another career official is david holmes. there was so many focus on the testimony maria yovanovitch yesterday. he brought up this phone call from july the 26th. what did lawmakers learn from david holmes last night? >> there was a lot of vulgar language contained in that opening statement that i can't necessarily repeat on television. the gist was he did corroborate william taylor's testimony