It's the first ever NRA Carry Guard Expo, taking place at the Wisconsin Center in Milwaukee. Benghazi hero Mark "Oz" Geist talks to Cam about why firearms training is so important. When threatened, you have the fight-or-flight response. You will always fall back on your highest level of training. That's when the more than 150 training seminars offered this weekend become vital for survival. Originally aired on Cam & Co 08/25/17.