Polls: Extent of McCain's Lead in S.C. Unclear

John McCain’s lead slips very slightly in this tracking poll, which has him at 29 percent and Mike Huckabee at

John McCain’s lead slips very slightly in this tracking poll, which has him at 29 percent and Mike Huckabee at 22 percent in South Carolina. [Reuters-C-SPAN-Zogby]

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His lead slips slightly more in this poll, which shows McCain with 29 percent, and Huckabee with 26 percent in South Carolina. [SurveyUSA]

But it holds steady in a third poll that has him at 27 percent and Huckabee at 20 percent. [FOX]

McCain leads in Florida by a small margin, with 26 percent to Rudy Giuliani’s 22 percent. [Research 2000

Polls: Extent of McCain's Lead in S.C. Unclear