Past convention highlights: Riots, a 'smoke-filled room' and a kiss

• Story Highlights
• Major party conventions weren't always tightly scripted coronations of the nominee
  
• In the past, the nominee sometimes wasn't decided till the convention's end
  
• This gallery provides a glance at some highlights from past conventions
  
• Visit the Election Center 2008 conventions page for full coverage of this year's events
  
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