The ultimate battlefield in the culture war
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Marco Rubio: The anti-Hillary
Hillary Clinton's Libya problem
Obama's second-term assumptions
The week's best editorial cartoons
Obama announces Earth Day trip to Florida to highlight dangers of climate change
Scientist who discovered ozone layer hole: 'We are still inflicting major changes on the atmosphere'
Putin walks back anti-U.S. rhetoric: 'We have a common agenda'
The Democrats become the hunted