Trump movement. Why the Trump Campaign plans to file a legal complaint with the rnc. Bernie sanders won three states by a land slide. We have a path toward victory. Sanders backer tells me something that should worry team clinton. I think a lot of people are sorry. I just cant bring myself to do that. Well tell you whos actually behind the petition to have guns at the Republican Convention when all in starts right now. Good evening from new york. Im chris hayes. There are two races under way in the republican president ial election. The one for the votes of citizens who actually go cast a primary ballot for the candidate of their choice. That race gets the big headline in the flashy Election Night coverage. That where campaigns post most of their energy and resources and we in the news media dissect every detail. After the candidates have moved on, the other race unfolds behind the scenes. Its the process of selecting the delegate, the real people and representatives to go to the Repub