CHARLOTTE, NC (WBTV) - On Tuesday, September 4th, the DNC will officially kick off. Tens of thousands from around the world will head to the Queen City and there's no secret, the convention will have a major impact locally, including on people battling cancer. Matthews resident Sue Falco is fighting stage four colon cancer, and says the DNC will force a major cancer treatment center to close. Carolina's Hematology Oncology Associates on South Tryon will close for four days during the DNC, because of security and traffic concerns."It's kind of fascinating how an event like this impacts a city," Falco...