authenticity, but this veiled swipe at russia suggesting that moscow recorded the call. >> i'm not going to comment on private diplomatic conversations. other than to say it was pretty impressive trade craft the audio was extremely clear. >> reporter: even after nsa revelations of u.s. wiretapping of foreign leaders, the state department called the publicizing of the call a new low for russia. the months-long protest in ukraine to oust that country's president have divided the u.s. and russia, with both accusing the other of meddling in the volatile situation. attention now fully on display thanks to a russian tweet of a youtube link. >> you know, i think, you know, f-bombs of the u.s. talking about the eu, that probably goes on a lot in the diplomatic world. i'm sure the eu said many things about the u.s. but the point is here about the -- it being released like