Something urgent has called him away.

What really matters isn't what either does - or what the Russians say - but what the Iranians do.

WhatI discovered after this journey of learning is that the languages did notmatter, it's what you do with them.

Most of all, he says, he hopes society is entering an era when such labels will matter less.

As for whether this matters, you' d get a different opinion depending on whether you talked to a psychologist or an economist.