Here's a selection of polling data analysing the respective leaders:
- An average of national opinion polls released on Friday show Romney opening a modest lead of 0.9% over Obama.
As America is braced for Hurricane Sandy, a political storm is brewing in the mid-western battleground states.
Meat Loaf bounded onto an Ohio stage in support of Mitt Romney's campaign, but did his energetic performance detract from the main man?
Mitt Romney can almost smell Air Force One and the White House but is he running out of time to mobilise support in the battleground states?