it. looks like protesters are starting to move. and there is some pushback -- got to go. hit my arm! we were hit by fragments of stun grenades, not a big deal. our producer did suffer a deeper gash. she is at home and she is okay. but we do expect these kinds of clashes between police and protesters will keep up this month through all the games, erin. >> tonight, on cnn it was supposed to be a normal campaign trip to dallas but on november 22nd, 1963, gunshots changed history. and for many decades people have wondered did lee harvey oswald act alone? >> why doesn't america believe the report? >> because of the conspiracy theorists who have put this case under a high-powered microscope,