World leaders, including U.S. Secretary of State Colin Powell, responded to Blix and ElBaradei's comments about their weapons inspections. Ray Suarez reports.

Margaret Warner discusses the inspection timeline with a chief inspector for the International Atomic Energy Agency in Iraq from 1991-92, and the director of policy studies at Notre Dame University's Joan Kroc Institute for International Peace Studies.

Zambia's severe drought and the HIV epidemic are contributing to a food crisis. Spencer Michels reports on one of the world's poorest countries and its government's refusal to accept genetically modified corn from the U.S.

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