The West and ISIS

""Key to the growth of Isis and, in particular, the import of thousands of foreign fighters has been the use of Turkey as a point of entry. Determined to get rid of President Assad, the Turkish Prime Minister Recep Tayyip Erdogan has kept Turkey's 550-mile border with Syria open, giving the jihadists, including Isis, a safe haven over the last three years. The Turks are now saying Isis is no longer welcome, but Ankara has not moved seriously to close the border by deploying troops in large numbers. A complete volte face by the US, Britain and their allies in their relations with the Assad government is unlikely because it would mean admitting that past support for the Sunni rebellion had contributed to the growth of the caliphate.""