i placed colonel vindman's testimony about why he reported the call on the screen. am i correct that the call was based on the fact that the president was asking a foreign power to investigate a u.s. citizen? >> yes, and he was not the only witness to express that concern. >> am i correct that he reported this concern because he thought it was a sense of duty? a duty he felt something was wrong? >> as you know, lieutenant vindman was a purple heart winner from iraq, and he's been in the department of defense for 20 years. he has a great sense of duty and great patriotism to this country and felt compelled to follow that since of duty and report it. >> she testified as you brought out or was brought out earlier that it was unusual and inappropriate, is that correct? >> that's right. >> when vice president biden got involved with the european union and the imf and germany and