In light of the Gilroy Garlic Festival shooting, Des Moines Police Sgt. Paul Parizek discusses how local police keep YOU safe during a festival AND what you should do in an active shooting situation; Listeners debate whether guns should be allowed at the Iowa State Fair (they currently are NOT allowed); Political analyst Donald P Mazzella discusses the current racially charged political rhetoric and whether it hurts President Trump; Legal expert Austin Pennington reveals how your boss spies on you; NBC Radio News correspondent Michael Bower previews the Democratic debate. Click to hear hour one of Need To Know With Jeff Angelo for 7/30.