Britain's Prime Minister Gordon Brown, right, and the Prime Minister of Yemen Ali Mohammed Mujur, sit together before a private meeting in Downing Street, London, Wednesday Jan. 27, 2010. Political and economic leaders are meeting London for a conference aimed at addressing the poverty and instability that is thought to be fueling extremism in Yemen, with a fragile government and crippling internal conflicts. (AP Photo / John Stillwell, POOL)