Climate change due to global warming is inevitable. In fact, it's happening now. What are the potential consequences for people in the United States and around the world? What can be done to prepare? Also, tens of thousands of Iraqis protest on this, the fourth anniversary of the fall of Baghdad and, on Reporter's Notebook, from Arizona's border with Mexico to new battles on Capitol Hill, President Bush re-visits immigration reform.
Climate Change: Adapting to the Inevitable
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