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. Were keeping a very close eye on all of the live events. We will be taking you around the country throughout the hour ahead. But lets start lets start right here in d. C. The heart of this movement today. Nbcs tammy leitner, jacob season remov soboroff. Tammy, what have students been telling you . Craig, a very, very powerful day. You know, we had some alist celebrities here on the stage behind me today. But today was really about the students. About a half Million People here today, and im actually here with one of the teachers from parkland, melissa, youre a journalism te