Dimensions for External Activity Romesh Thapar WHEN Rajiv Gandhi suddenly makes up his mind to play at being Chairperson of the non-aligned and declares his intention to do something about the never-ending Iran-Iraq war, and his country's relations with neighbours, a lot of people in the region imagine that a bright new era is opening. Very soon, however, the whole exercise dissolves into its PR dimensions. No scenarios exist for action on the ground