 News Radio 1310 KNOX AM, Grand Forks. 1079 and 1033 KNOX FM. Translated on K239BG in Grand Forks and K277DN in Grand Forks. ABC News, I'm Brian Clark. President Biden returned to the campaign trail Friday and tried to put a positive spin on his widely panned debate performance. I know I'm not a young man. State the obvious. Well, I know.