Ever since John. F. Kennedy became President in 1961 there has been a phenomenal growth of tensions between President's Secretary of State and his National Security Adviser. Secretaries of State have come to rely on their constitutional and institutional status to claim their primacy, while National Security Advisers have been driven by their tremendous influence drawn from being President's additional eyes, ears and brain in making of national security policy. Their proximity to President and expertise in national security has been their additional assets.