Next Tuesday’s US Presidential Election promises to be the closest since the Bush/Gore race ended in a dispute over hanging chads a dozen years ago. And Barack Obama could yet join the list of underwhelming one-term presidents. HARDtalk’s Stephen Sackur speaks to a veteran Democratic party consultant and campaign strategist, Bob Shrum, and asks why President Obama is struggling to rekindle the enthusiasm he generated four years ago.(Image: Bob Shrum, Credit: Getty Images)