that he co-authored with jason bromley which is now being enlarged into a book that will be published soon trying to take stock of why the arab spring happened in some countries and not others. whichever piece of that you want to talk about. the floor is yours. >> i'm constitutionally incapable of speaking -- [inaudible conversations] >> all right. >> to is this upstart. i want to thank larry for inviting me to speak today. i have been lucky enough to run a number of times. the first time was when i was finishing my doctoral dissertation. i had to lobby to get in. i wrote the piece and that wanted to know what mark thought . you have your entire career ahead of you. that don't know whether we are good at taking advice. my dear friend as noted, when i was lucky enough to have to contributions in this volume. one was written in june of 2011 when the revolution in egypt was still fresh and the possibilities seem to be endless. another was written in october of 2013 when the full scale of the arab spring disappointment became evident. and each piece, i think, is reflective of its time. so