New Delhi, Dec. 31 -- Though national interests and objectives are normally of a semi-permanent nature which may not undergo major changes frequently, a careful watch by a nation of the prevalent strategic geo-political realities must always be borne in mind especially as obtaining in nations inimical to one's interest. The changing geo-political dynamics in undivided Pakistan in 1970-71 and the resultant fratricidal conflict thereafter between its two wings was a classic example of changing ground realities. No country in the world, including India or even the US, could imagine a sudden deterioration which would lead to the dismemberment of a country so speedily. As is commonly known, there was always simmering discontent in Pakistan's eas...