The Islamic State is continuing its rampage through the Middle East, killing anyone who gets in their way and destroying ancient sites in an effort to cleanse anything they consider anti-Islamic. Late last week we learned that before she was killed, America hostage Kayla Mueller was brutally raped and used as a sex slave by ISIS leader Abu Bakr al-Baghdadi. Today we've learned ISIS has beheaded a world renowned, 82-year old archaeologist who was protecting the ancient site of Palmyra in Syria. More from Fox News: Syrian state antiquities chief Maamoun Abdulkarim told Reuters that the family of Khaled Asaad had informed Abdulkarim...