India, April 8 -- The news from Iran continues to be alarming. Delhi lies safely removed from that volatile part of the world, but only up to a point. For our city is a confluence of many cultures and languages, Persian among them. This week, that inheritance comes alive in the form of an anniversary, even as the world beyond is growing more dangerous. Delhi is observing the 722nd Urs, or death anniversary, of Amir Khusro, the 14th-century poet who principally wrote in Persian, the language of the elite in Khusro's Delhi. Khusro's poetry is particularly admired for weaving the formal Persian with the colloquial Braj Bhasha, the earthy language of parts of northern India. That said, one might wonder why a person's death anniversary is being ...