[cnn-photo-caption image= http://i.cdn.turner.com/cnn/2008/images/05/27/art.obama.ad.tom.daschle.jpg caption="Barack Obama's campaign released a new ad staring Tom Daschle."]
(CNN)—Barack Obama’s campaign has launched a new ad in South Dakota Tuesday aimed at shoring up his support among the working-class and rural voters that dominate Democratic politics in the state.
In the 30-second spot, former Sen. Tom Daschle says that Obama “is rooted in the same values as most South Dakotans. He has an understanding of America - rural and urban alike.”
The ad also makes an economic appeal to blue-collar voters suffering from the rising cost of food and gas: “Obama understands that squeeze,” says Daschle.
The spot also touts the Illinois senator’s support from two of the state’s top Democrats, Sen. Tim Johnson and Rep. Stephanie Herseth Sandlin.
On Monday, the campaign also hit the airwaves with “Listening,” a one-minute spot featuring portions of his stump speech that has aired in other states throughout the primary season.
South Dakota voters head to the polls in one week, with 23 delegates at stake.