By Cindy Von Quednow and Jack Forrest, CNN (CNN) — The 18-year-old accused of pledging allegiance to ISIS and planning attacks against churches in Idaho pleaded not guilty Wednesday to a federal terrorism charge, according to the court docket. Alexander Scott Mercurio pleaded not guilty to attempting to provide material support or resources to a designated foreign Read this story at KTVZ , KEYT , KIFI
