democratic congressman of national rifle association who will talk about that deadly shooting in his state along with one of the students who is protesting gun violence. but now good night from all of us here at nbc headquarters in new york. hi, everyone, it's 4:00 in new york. do you hear that? it's the sound of the drum beat of indictments and guilty pleas in the mueller investigation which is picking up its pace. the latest, senior trump official rick galgts who once served as donald trump's deputy campaign manager and remained in the trump orbit for many mongs months longer than paul manafort did. he pleaded guilty today to lying to federal investigators and participating in a financial conspiracy with former trump campaign manager paul manafort. manafort's response today, a backhanded swipe at his alleged