Three images are especially iconic when it comes to Turkey: the Blue Mosque of Istanbul, the library at Ephesus, and the whirling dervishes of Konya. But despite all the time I’ve spent in this country, until I visited the dervishes’ annual festival last December, I didn’t truly know what they were all about. “Konya offers a unique opportunity to learn about the Sufi philosophy and the significance of the dance in the place where it all originated,” my Turkish friend