EMILY's List President Stephanie Schriock on 'This Week.' Image credit: ABC News

WASHINGTON - While national Democrats have scaled back their support for Alison Lundergan Grimes in Kentucky, another Southern Democratic candidate for the Senate is attracting renewed help from a major Democratic group.

Georgia's Michelle Nunn will see a boost from EMILY's List, the group that supports pro-abortion-rights Democratic women, in her bid against Republican opponent David Perdue, the group said.

"We see a race that's incredibly close," EMILY's List president Stephanie Schriock said today on ABC's "This Week" roundtable. "EMILY's List is so excited we're going to double down and put more TV up."

EMILY's List says its new ad will attack Perdue's business record, a cornerstone of the former Dollar General CEO's campaign, highlighting a gender-pay-discrimination suit against that company. After Perdue left the company, it settled for $19 million in a suit brought by female store managers alleging pay discrimination from 2004 to 2007, while Perdue led the company.

EMILY's List pointed to the suit in a previous Georgia Senate ad, which it ran in August.

The spending is a vote of confidence in Nunn, who has been seen as running a surprisingly competitive race against Perdue in a solidly red state, where no Democrat has won a statewide election since 2000.

Polls have offered little reliable information to quantify how close the race is, or who actually leads. Since April, pollsters have only conducted automated surveys of Georgia, and ABC News does not consider them to be reliable.

Georgia has attracted $25.7 million in outside spending this election cycle, according to Federal Election Commission disclosures, ninth most among all states. In terms of negative advertising, each candidate has seen a little more than $6 million in attack ads from outside groups until now.

Those totals include "independent expenditure" ads that are reported to the Federal Election Commission. Groups can air "issue ads," which do not explicitly urge voters to support or oppose candidates, further from Election Day without disclosing them.

EMILY's List spent nearly $980,000 to air that previous ad in August. The largest spenders on this race have been the Republican super PAC Ending Spending Action Fund, which spent $5.7 million, and the National Republican Senatorial Committee, which spent $2.9 million.