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Tonight's program looks at changes in store for the American health care system, protests in Iran, school reform in Washington, D.C., and a behind-the-scenes look at the Copenhagen climate agreement. HEALTH CARE - With the stage now set for a…

The agreement reached at the Copenhagen Climate Summit is our lead story tonight, followed by an interview with Barry Scheck of the "Innocence Project" about the release of a wrongly-convicted man after 35 years, a Paul Solman conversation about the…

Diplomatic machinations at the Climate Summit are our lead tonight, then it's on to health care, an interview with presidential adviser David Axelrod, "black carbon" in India, the recession's toll on Arizona schools and the drug war in Mexico. CLIMATE…

The government's $3 billion "cash for clunkers" program encouraged consumers this summer to trade in their gas-guzzling vehicles for more fuel-efficient ones. A county-by-county breakdown of the government's "clunkers" spending reveals that residents of wealthier counties took more advantage…