SIOUX CITY, Iowa (AP) — An Onawa man has pleaded guilty to federal child pornography charges. The U.S. attorney’s office says 54-year-old Terry Tyson pleaded guilty to one count of possessing child pornography during a hearing last week in U.S. District Court in Sioux City. Prosecutors say Tyson admitted during a hearing Friday that he possessed child pornography on his home computer. He faces up to 10 years in prison and a $250,000 fine. A  sentencing date has not yet been scheduled.