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US elections: Reflections on a hard fought campaign

6 November 2012 Last updated at 08:22 GMT

When the 2012 US presidential election is over some estimates suggest the rivals will have spent a combined total of $2.5bn (£1.5bn) - about $20 (£12) per vote.

But was it money well spent of are voters just suffering election overload?

Bill Turnbull looks back at a long, often vicious, race for the White House.

How to follow the US election on the BBC