Jofi Joseph was quoted by Paul Richter in this article for the Chicago Tribune:
http://www.chicagotribune.com/news/nationworld/la-fg-kerry-iran-talks-20140710,0,7389570.story
http://www.chicagotribune.com/news/nationworld/la-fg-kerry-iran-talks-20140710,0,7389570.story