Two fierce competitors who've given their all, President Barack Obama and Republican Mitt Romney now yield center stage to voters Tuesday for an Election Day choice that will frame the contours of government and the nation for years to come.

Mitt Romney is trying to close the deal with voters by promising to revitalize the economy, an area where polling shows the Republican presidential nominee has an edge heading into the final days of the campaign.

The presidential campaigns were trying to win older voters Friday with speeches before the AARP and a new video produced by President Barack Obama's campaign that argued rival Mitt Romney derides seniors behind closed doors.