WTVO-WQRF’s high school quiz show, the Bergstrom Stateline Quiz Bowl, will include a statewide invitational tournament this spring. WTVO is the ABC affiliate in Rockford, Ill., owned by Mission Broadcasting, and is the sister station to WQRF, the Fox affiliate owned by Nexstar, through a shared services agreement. In January of 2015, WTVO-WQRF launched the…