This article was originally posted on WFDD.com.

Tonight, Thom Tillis and Kay Hagan will go head to head in their second live debate. 

Hagan has held a consistent lead over Tillis in the polls, but that lead is small, which is why both camps may use tonight’s debate as a chance to hunt for the most elusive of political groups. 

A lead, is a lead… right?

Not in the world of political polls, says Jason Husser, assistant director of an Elon University poll that shows Hagan with a four-point lead. But, he says, “Our margin of error is 3.9. It could be considered a tie still.”

There’s less than a month to go in this polarizing race. Democrat and Republican voters are-so far- sticking in their respective camps. However, both candidates are lagging in key demographics, says Husser. “Hagan has a substantial advantage among single females. Tillis is doing much better among married men.”

Read the rest of the article here.