melvin on the scene in dallas. thanks very much. we are waiting for remarks from attorney general loretta lynch. when we come back, brian williams will be here. [ guitar playing ] ugh. heartburn. sorry ma'am. no burningartburn relief gummies. they work fast and don't taste chalky. mmmm. incredible. looks tasty. you don't have heartburn. new alka-seltzer heartburn relief gummies. [announcer] is it a force of enjoy thnature?f. or a sales event? the summer of audi sales event is here. get up to a $5,000 bonus on select audi models. >>> we are back, brian williams with you from new york, to continue our coverage. and we want wanted to just set the scene as we have been talking about. we are expecting to hear from the attorney general of the united states, loretta lynch. that is set up and the press corps is assembled in washington. of course, the president landed last night for the nato summit in warsaw, poland. when he did, he talked about what we thought was the compelling case of the night, and the two -- the killings of philando castile and alton sterling, and then the explosion of violence in texas. craig melvin out in dallas. craig, as we approach another top of the hour as folks are continuing to