Despite his lackluster performance in South Carolina and his awkward tendency to call attention to his own affluence, supporters say former Massachusetts governor Mitt Romney has a chance to put doubts about his grassroots popularity behind him with a solid victory in today's Tennessee primary.

Weekend polling showed Romney gaining to a virtual dead heat with former Pennsylvania senator Rick Santorum in the Volunteer State, with former House speaker Newt Gingrich also appearing to climb into contention at Santorum's expense.

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