The CMO of Grey Goose tells us about the craze of the U.S. Open. Why the "Honey Deuce" drink is such a hit. Plus, Vegas casinos hash out recreational marijuana rules. Ad giant Michael Bassik tells us about the future of digital advertising. And we go to the Hamptons to talk with CODE Advisors Co-Founder and Partner Quincy Smith. Those stories and more on today's Opening Bell.