An Idaho man has been sentenced to 18 years in federal prison for attempting to support the Islamic State group. BOISE, Idaho (AP) — An Idaho man has been sentenced to 18 years in federal prison for attempting to provide material support to the Islamic State group. Alexander Scott Mercurio, 21, pleaded guilty to the federal terrorism charge last month. U.S. District Judge David C. Nye sentenced him Tuesday and said Mercurio would be placed on lifetime supervised release after completing his prison term. Prosecutors said Mercurio had pledged his allegiance to IS and planned to attack churches in Coeur...