that. i think it's wrong. legally, i think it's wrong constitutionally and i can't support her. >> senator risch, thank you very much for joining us. to find out more what you can do to help civilians affected by the violence in iraq and yemen, go do cnn.com/impact and you'll be able to impact your world. just ahead, a cnn exclusive -- the provocative words that the national guard forces use to describe protesters in ferguson missouri. does it help explain why tensions exploded on the streets? and a reserve sheriff's deputy tries to explain how he mistook a pistol for a stun gun. his interview is only adding to the controversy surrounding the deadly shooting.