US prepares for 'staggeringly consequential' Iran deal
The document is largely written, but the toughest negotiations come down to the wording of key annexes.
US Secretary of Energy Ernest Moniz, US Secretary of State John Kerry and U.S. Under Secretary for Political Affairs Wendy Sherman (L-3rd L) meet with Iranian Foreign Minister Mohammad Javad Zarif (2nd R) at a hotel in Vienna, Austria June 27, 2015.Updated: