Something to remember about the polls...

There really are more self-identified Democrats than Republicans this year.

The Democratic Party has achieved a small gain in party affiliation and holds a 33%-29% edge over the GOP in Pew surveys conducted in 2004. This represents a modest shift from the two year period following the Sept. 11, 2001 terrorist attacks, when the Republican Party had drawn virtually even with the Democrats

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So if you see a poll that has, say, 39% Republicans in it, it's probably bunk. See the Charles Cook- related post below, too.