listen to passionate demands for change, not only here in washington, d.c., hundreds of thousands of people all over this country, even worldwide, taking a stand against gun violence. their message to lawmakers, very simple. enough is enough. take action or get voted out. the rallies continue at this hour. this is a live look at boston. this is boston, massachusetts, where things are actually just getting started. we re keeping a very close eye on all of the live events. we will be taking you around the country throughout the hour ahead. but let s start let s start right here in d.c. the heart of this movement today. nbc s tammy leitner, jacob season remov soboroff. tammy, what have students been telling you? craig, a very, very powerful day. you know, we had some a-list celebrities here on the stage behind me today.