State Sen. Ray HolmbergFARGO, N.D. (KVRR) — Former State Senator Ray Holmberg of Grand Forks has entered a not guilty plea to two federal child porn charges: child sex tourism and receipt of child porn. An initial trial date has been scheduled for December 5, 2023 in U.S. District Court for the District of North Dakota in Fargo. Holmberg was…