florida high school shooting. cnn kayly is joining us from parkland. tell us more about that, kayly. reporter: wolf, we are just learning walmart deciding they won t be selling firearms or ammunition to anyone under 21. saying quote we have reviewed our policy on firearm sales. going forward, raising the age to 21 years of age. this more welcome news to the people of stoneman advocating, after this announcement by dick s sporting goods, that they too were going to raise the age limit to buy firearms in their store to 21. and stop selling assault style rifles like the one the killer used at had high school. they won t be selling high capacity magazines or any