Working with any senior actor is a learning experience, so getting to work with a thespian like Kamal Hassan was a memorable one.

The fact that there were discreet channels of communication established with Iran in 2012 is something that we confirmed publicly. However, we did not have any serious prospect of reaching a nuclear deal until after the election of Hassan Rouhani in 2013. Yes, we had discussions with the Iranians before that, but they did not get anywhere.