Detailed text transcripts for TV channel - CNN - 20100331:11:44:00
Knew, i'm safe now? >> i had told myself at one point in prison that i'm not going to cry any more until the day i'm free. and so when i left those prison gates and the prison disappeared behind me, i finally wept. but i realized that my tears were not just tears of joy, also tears of sorrow. joys at my freedom but sorrow for those prisoners i was leaving behind. that is a large reason that i wrote the book. >> reporter: that's the interesting thing you point out in the book as well. 70% of the iranian population under the age of 30, correct? >> yes. >> reporter: we saw the student protests an...