needed to change. the question is whether the black lives matter movement, perhaps the most intense civil rights movement will play a role in the first republican presidential debate tomorrow. joining me, the host of nerding out on msnbc's shift. also a senior fellow at the roosevelt institute. we heard ben carson there talking about political correctness at work here. he mentioned martin o'malley getting booed at net roots nation. jeb bush basically made the same point about that martin o'malley comment. he said we're so upsight that you apologize for saying lives matter in i know in the political context, it is a slogan, i guess. so it is really striking to me when you ask a republican presidential candidate or a democrat presidential candidate,