arm, send the dogs, send a taser? why? >> you're going to have fact questions here. there is another issue you're going to have to pay attention to. the officers muted their body cameras moments after shooting clark. i'm saying that slowly and deliberately. you need to have it sink in. the body cameras are only as effective as they are in operation. sounds simple. but this is not a standard that is all over this country and it makes no sense. alisyn. meanwhile, arizona is suspending uber's self-driving car tests. this comes after one of the autonomous vehicles struck and killed a person a week ago. investors counting down to the opening bell on wall street, less than an hour away. the roller coaster was going