 From 1978 to 1980, he was Director of the Cabinet of the President.When Abdou Diouf succeeded Senghor as President, Kâ became a member of the government; he was Minister of Communications from January 1981 to April 1988 (and was additionally responsible for relations with the assemblies from 1983 to 1988), Minister of Planning and Cooperation from 1988 to 1990, and Minister of National Education from 1990 to 1991.On April 8, 1991, he became Foreign Minister of Senegal, serving in that position until June 1, 1993; he was then moved to the position of Minister of State for the Interior, serving in that position until March 1995, when he was dismissed from the government.