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Barack Obama and Mitt Romney go head to head

17 October 2012 Last updated at 01:15 BST

Barack Obama and Mitt Romney will take part in their second televised debate in New York on Tuesday as the president tries to secure a second term in the White House.

In swing states such as Florida, both candidates are promoting their personalities as well as their policies, seeking to depict themselves as family men.

Mark Mardell reports.