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There have been six Republican presidential debates so far but the seventh will be unlike any of the previous meetings.

An Oct. 11 Bloomberg/Washington Post at Dartmouth College in New Hampshire will feature the candidates seated side-by-side at a round table where the sole topic of discussion will be the economy. The debate will also be the first this year in which more than one woman is moderating. Syndicated talk show host Charlie Rose, Washington Post political correspondent Karen Tumulty, and Bloomberg TV White House correspondent Julianna Goldman will moderate the discussion.

The debate offers an opportunity for Texas Gov. Rick Perry, who stumbled during the previous two debates, especially when the discussion strayed from the economy to other issues including immigration. Former Massachusetts Gov. Mitt Romney's previous two debate performances have been well-received and he's appeared at ease when discussing the economy. How the change of pace affects a candidate like former Sen. Rick Santorum, R-Pa., -- who has been more outspoken about social issues in previous debates -- will also be interesting to watch.

Bloomberg TV will offer all day coverage on Oct. 11th and feature analysis from former Sen. John E. Sununu , R-N.H., and political analyst and National Journal columnist Matthew Dowd. Anchors Margaret Brennan, Tom Keene, and Bloomberg Executive Editor Al Hunt will offer coverage before and after the debate.