"Improvisation at the negotiating table"; Where does the diplomacy train go without diplomats?

BBC Farsi's investigations and conversations with senior American diplomats show that from political purges and the rule of fear to the sharp reduction of expertise and vacant seats, a series of internal problems in the US State Department have caused the country to enter the field with incomplete preparation in its most sensitive cases, including Iran; A situation that has led to the weakening of diplomatic tools and has led to the erosion of America's position among its allies.