Vance letter -. A "complete change in tone" and sugar-coated sacrifice from respected Washington letters is a sign of pressure, not Iranian weakness. The chairman of Iran's Supreme National Security Council said that "Vance's letter was a complete change in tone. It was respectful. In the past all the letters were insulting and offensive. " Marandy: "This change in Vance's tone was significant. The "Iranians" are putting a lot of pressure on Trump, but at the same time they are letting him down. " Watch the full episode: Share this with someone who needs to see it! Subscribe to CSOFT Media for more information on the changing strategic landscape in West Asia.