NYSE President Tom Farley tells us how the exchange is helping victims of Hurricane Harvey in Texas. Plus, the CEO of Herb tells us about the NFL legend involved in the cannabis media company's latest funding round. What gut microbes found in hunter-gatherers can tell us about our diets. The CEO of FanDuel talks about his company's failed merger with DraftKings, and how it's getting ready for the football season. And how close are we to a government shutdown? Those stories and more on today's Opening Bell.