The battle is still raging in the northern Iraqi city of Mosul. Iraqi and coalition forces are advancing slowly, capturing as little as one city block per day — if that. And ISIS fighters continue to strike back.
Turkey, NATO’s southern flank, shares a border with ISIS extremists. For years, that border has been easy to cross, allowing foreign fighters to stream into Syria. Now, with ISIS on the rampage, Turkey is trying to shut down the border, but it may be too late.
The man who executed American reporter James Foley spoke with a British accent, presumably one of hundreds of British nationals that authorities think are fighting alongside members of ISIS. So why are they there, and how can they be stopped?