>> do you know when brad is going to come before the committee? >> yeah. we have an agreement with our republican colleagues not to get into who's going to testify and when because of the pressure that is others face when they talk about doing this. so, a blanket agreement makes more sense and makes the investigation far more effective. >> brad says he will be speaking before your committee. anyway, there has been reporting that the committee is looking into whether the digital operation, which he was part of helped guide russia's voter targeting and kind of their fake news efforts during the election. basically, they helped coordinate with them. do you think they did? >> i think that there was coordination. i think you are starting to see public evidence of that coordination, not just the meeting with trump jr., but others as well. you know, roger stone suggesting he had a relationship with