Stephen Kinzer

As recently as the 1970s, some Pashtun leaders in Afghanistan were pushing to create a new state, Pashtunistan, by joining with Pashtuns in Pakistan.

New media and mobile entertainment are revolutionizing the way people learn about the world.

As British and French imperialism ebbed following the end of the Second World War, America became the main outside player in Arab affairs.

Before I die, I will preach to the Muslims in the Arab world. I will preach in Egypt, Lebanon, Syria and Iran. I will preach in Tehran. I will do it under the umbrella of God. And see its impact.

I'm an ambassador 24 hours a day.

A former Erdogan ally, Gulen has been living in self-imposed exile in Saylorsburg, Pennsylvania, since 1999.