Illegal Immigration and LA's Air Pollution

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Ten counties with America's worst air pollution are all in California, and LA has the worst Smog in the country.  That's according to the American Lung Association.  We'll hear what that means for public health.  We also hear about efforts to delay AB 32, Governor Schwarzenegger's attack on global warming. On our rebroadcast of today's To the Point, Arizona officials claim federal inaction required the state to crack down on illegal immigration. Does the new state law provide needed protection or violate civil rights and interfere with federal authority?

Banner image: Layers of dirty air settle on the city as day turns to night in Los Angeles, California. Photo: David McNew/Getty Images