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Bags, banners, badges: Obama art 2012

7 September 2012 Last updated at 01:37 BST

The 2008 US election saw images of then-candidate Barack Obama become part of popular US culture, alongside the slogans of "Hope" and "Change".

This time around, with President Obama seeking re-election after four years in the White House, how is the cottage industry in Obama imagery holding up?

The BBC's Katty Kay takes to the streets of Charlotte, site of the Democratic National Convention, for a preview of this year's election art, Obama style.