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About this Poll
This poll was conducted by Gravis Marketing, a nonpartisan research and data firm. This poll of 604 registered, likely voters in South Carolina was conducted on July 17th and has a margin of error of ±4.0%. This survey was conducted using interactive voice responses and an online panel of cell phone users. This poll was not commissioned by any campaign committee or other organization and was paid for by Gravis Marketing. Results are weighted by voting demographics. Questions can be directed to the managing partner of Gravis Marketing, Doug Kaplan.