NFL holds first-ever regular season game in Brazil

The NFL is a uniquely American sports league. But that hasn't stopped it from trying to expand globally. It's held games in Europe and Mexico previously and, this year, it will hold a game in Sao Paulo, Brazil, for the very first time. Host Carol Hills speaks with Lisa Delpy Neirotti, a professor of sports management and marketing at George Washington University, about the motivations pushing American sports leagues to expand beyond US borders.