I have to disagree. I saw a snippet over at Lucienne.com (and another someplace else, memory fails) which said that the difference was about 5%. That's all it took, 5% to sway the election over to the socialists.
Now, think of the states in the upcoming election that are deemed "close" or "toss-ups". 5% could make a BIG difference in the electoral college.
We can only hope that our fellow Americans would not react like euro-weenies and vote for Kerry; but even if just a few switch over, it could mean big trouble for us and the World.