The story: Iran and the US are entering the final stretch in their 10-month marathon to revive the 2015 Iran nuclear deal. In conversations with Amwaj.media, informed sources have explained the situation on the ground in Vienna, providing an idea of what is on the table—and what the apparent internal Iranian dynamics may tell about the future.

The state of play: Speaking on condition of anonymity, informed sources in Tehran have confirmed reports that the document currently being negotiated in the Austrian capital is 20 pages long.

• Preferring to speak without attribution, a senior Iranian political source explained to Amwaj.media that the 20-page document...