Iran says nuclear talks failure would be 'disaster':

Iran says nuclear talks failure would be 'disaster':

"What I can promise is that we will go to those negotiations with the political will and good faith to reach an agreement because it would be foolish for us to only bargain for six months," Zarif told the conference after his meeting with Kerry.

http://www.reuters.com/article/2014/02/02/us-iran-nuclear-kerry-idUSBREA110CG20140202