Former First Lady and U.S. Senator Hillary Clinton steps off Air Force One in Washington after travelling with U.S. President George W. Bush to a memorial service for Coretta Scott King at the New Birth Missionary Baptist Church in Lithonia, Georgia, outside of Atlanta, in this February 7, 2006 file photo.  International Women's Day, an annual day honouring the achievements of women past and present, will be marked globally on March 8, 2006.(Reuters)

Irish President Mary McAleese, along with her husband Martin, arrives for the opening of a new community centre in Hannastown, west Belfast, Northern Ireland, in this February 24, 2005 file photo.   (Reuters)

New Zealand Prime Minister Helen Clark speaks during talks with Japan's Foreign Minister Nobutaka Machimura in Tokyo in this June 1, 2005 file photo. (Reuters)

Philippine President Gloria Macapagal Arroyo waves to supporters during her visit to a market in Manila in this March 4, 2006 file photo.  (Reuters)

German Chancellor Angela Merkel arrives for an extraordinary cabinet meeting in Berlin in this March 6, 2006 file photo.  (Reuters)

Finnish President Tarja Halonen meets Russian President Vladimir Putin at the Finnish presidential summer residence Kultaranta in Naantali, Finland, in this August 1, 2005 file photo.  (Reuters)