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• First lady: an unscripted,powerful role
• Foreign policy issues for new president
• Obama worked to fit in at elite school
• Policy priorities of US presidential hopefuls
• Major events leading up to 2008 race
• Nomination process and Iowa caucus
• Primary, caucus calendar
• New Hampshire presidential primary
• Key players in 2008 US presidential race
• Presidential primary system in US
• Backgrounder: US presidential elections