CLEAN : Final push in historic Iran nuclear talks

The video discusses the serious and determined atmosphere of the E3+3 negotiations with Iran, aiming to reach an agreement by July 20th. The mandate is to ensure Iran's nuclear program is for peaceful purposes, with a focus on fulfilling international obligations. The negotiations aim to provide assurances and proofs in a written agreement. The commitment to negotiate until a satisfactory agreement is reached is emphasized, with hopes for a cooperative spirit from Iran.

How do the political directors approach the negotiations according to the text?

What is the role of the High Representative in the negotiations?