Video: Obama maintains post-debate momentum as he campaigns in Iowa Barack Obama appeared at once confident and at ease as he addressed Democrat supporters at a campaign rally in Iowa. Despite the impression he was the victor in Tuesday night's debate against Mitt Romney, the president self-deprecatingly joked that he was "still trying to figure out how to get the hang of this thing, debating. But we're working on it, we'll keep on improving as time goes on - I've got one left. Mr Obama roused the crowds with references to the killing of Osama Bin Laden and the pull-out of US troops from Iraq, as well as appealing to the Iowa audience with promises to support the local windfarm industry, in contrast to his Republican rival.