With optical scanning systems, most of the paper ballots voters fill out will still be counted by machines and computers.
What's Obama's and McCain's stand on key issues.
Democratic registration gains have potential to alter state's voting trends
The candidates are two very different men with a common goal: to become the 44th president of the United States. Here is a look at their personal milestones and professional achievements.
Who was the shortest president? Which president was arrested during their term? Test your presidential trivia knowledge and see how you compare.