- The value of a nuclear deal with Iran has been lost amid criticism of the talks, writes Trita Parsi
- Parsi: A deal prevents war with Iran and will encourage the country's moderates
- Parsi: U.S. is in desperate need of an injection of political moderation in the region
Trita Parsi is the founder and president of the National Iranian American council and the author of "A Single Roll of the Dice - Obama's Diplomacy with Iran". The views expressed in this commentary are solely his.
(CNN)The criticism of the pending nuclear deal between Iran and world powers is intensifying.