An expert on international issues in an interview with Ilana: We are in the confrontation stage and at zero hour; Changing the nuclear doctrine does not change the situation / Covert diplomacy is being conducted seriously, an expert on international affairs, referring to the increase in the mediation activity of regional countries and the acceptance of American nuclear proposals by Iran, said: The evidence shows that the covert diplomacy between Tehran and Washington is taking place seriously and in volume. However, at the same time, there are signs of a possible escalation in tension and military action.