The United States has expressed "amazement" at a United Nations invitation to Zimbabwe's President Robert Mugabe to address a hunger conference in Rome on Monday to mark the 60th anniversary of the Food and Agriculture Organisation (FAO). "I find it amazing they've invited Mr Mugabe to speak at the 60th anniversary, who in a way has done so much to hurt the hungry, and who has absolutely turned his back on the poor," said Tony Hall, US ambassador to the UN food agencies in Rome. "I find it amazing. What can he possibly say to us at the conference, when...