Today in National Polls: Top Three Dems Tied in Iowa

In Iowa, the top three Democratic contenders are tied within the margin of error. [Rasmussen]

In South Carolina, Barack Obama has whittled away at Hillary Clinton’s lead, and Romney is up while Giuliani sinks down. [Palmetto/Clemson University]

A survey shows Giuliani with a solid lead among Republican contenders in California. [Datamar]

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