Just as a future FYI, I was still unsure about the whole concealed carry at the NTIF, so I contacted Fair Park administration.
The guy on the phone was extremely helpful, and referenced this on their website:
Weapons and sharp metal objects, such as pocket knives, scissors and the like, are not allowed. The State of Texas does allow a person holding a valid concealed handgun license to enter into Fair Park with a concealed handgun. However, during the State Fair of Texas and some other special events, licenses will be examined at the entrance by an authorized security supervisor. In accordance with Texas laws that protect “premises where a high school, collegiate or professional sporting event or interscholastic event is taking place," handguns are never permitted inside the Cotton Bowl.
http://www.fairpark.org/index.php?optio ... cle&id=198
He said all venues and attractions held at Fair Park
ARE CHL friendly, with the acception of the Cotton Bowl, as indicated above.