The President, Mrs McAleese, is to convene a meeting of the Council of State tomorrow to discuss an address she plans to give to the joint Houses of the Oireachtas on the subject of the millennium. It is the first such meeting of her presidency. {p}The move follows an invitation by the National Millennium committee to make such a speech. The committee is the body charged by the government with organising millennium festivities nationally and is headed by the Government Chief Whip, Mr Seamus Brennan.