Dirty underwear and contested airspace: the long hunt for Baghdadi

WASHINGTON, United States -- The operation to kill the Islamic State group's leader took months of intelligence work, required the snatching of his underwear and ended when one of the world's most sought-after men blew himself up. The hunt for Abu Bakr al-Baghdadi -- whose extremists have unleashed ghastly violence on civilians across the Middle East and beyond -- has been a top Western priority but was complicated by the messy divisions in war-ravaged Syria. U.S. Special Operation Forces who le