From NPR News in Washington, I'm Jeannie Herbs.Security was tight around the federal court house in Washington DC this afternoonfor a suspect from Libya charged in 2012 attack on the US counselor in Benghazi went before federal judge.NPR's reporter Carrie Johnson was at the court house.Ahmed Abu Khatallah through his federal public defender has pleaded not guilty and requested a speedy trial.He currently faces just one charge-conspiring to provide material support and resources to terrorist organization that resulted in death.But assisting US attorney Michael Dea Aranzel has indicated to the judge thatthe justice department intends to add charges in a days or week to come against AbulAkala.NPR Carrie Johnson's reporting.The attacks killed the US ambassador to Libya along with three other Americans.The taller has been held without bound. He was captured in Libya 2 weeks ago.Iran's supreme leader Ayatollah Ali Khamenei sayshe called the violence in Iraq a showdown between barbarity and humanity.NPR's April Fulton reports,the speech by the Shia cleric comes as Iraqi troops began a push against Sunni insurgents.Khamenei blamed the take-over of large part of Iraq on extreme people people and remnants of the regimes of Saddam Hussein.He said the Iraq was seeing not a Shi'ite-Sunni war but the battle against terrorism.Iran backs the Shiah-dominated Iraqi government,in its fight against the insurgency led by the group known as Islamist state of Iraq and Syria also known as ISIS.