Hi.I'm Carl Azuz.This Tuesday on commercial free CNN STUDENT NEWS we are starting in the Middle Eastern nation of Syria.The ISIS terrorist group controls about a third of Iraq and Syria.It released a message over the weekend, that it had murdered another American.Peter Kassig was a 26-year old U.S.medical worker and former Army ranger.He was helping victims of Syria's civil war when ISIS captured him in Syria more than a year ago.President Obama called Kassig's murder pure evil.He's repeatedly said the U.S.wouldn't send combat ground troops to fight ISIS,but some U.S.military advisors have said that might be necessary and in the worst case scenario the president may change his stance.There are always circumstances in which the United States might need to deploy U.S.ground troops.If we discovered that ISIL had gone possession of a nuclear weapon and we had to run an operation to get it out of their hands then yes,you can anticipate that not only would Chairman Dempsey recommend me sending U.S.ground troops to get that weapon out of their hands, but I would order.Four months after a plane carrying 298 people crashed in Ukraine, wreckage is being removed from the crash site, and in international investigation has started.Malaysia Airlines Flight 17 was traveling from Amsterdam, Netherlands to Kuala Lumpur, Malaysia.It was over Eastern Ukraine when it was shot down on July 17.Everyone on board was killed.