One of the more controversial aspects of the 2012 election campaign has been a series of new laws that make it harder for some people to vote.
In the past two years, more than a dozen states across the US have passed laws that could restrict voting.
Democrats have accused Republicans of trying to blocking legitimate voters from casting ballots.
But Republicans claim that they are trying to stop fraud.
Al Jazeera's John Hendren reports from Ohio.
Source: Al Jazeera