I don't think the U.S. views Islam as another "red menace", although I do believe that many people view Islam, in its social and political outlook, to be contrary to the American way of life. However, many Americans would say the same thing about Christianity, although that is a little historically misguided. In any event, I think Muslims fit in quite nicely in the U.S.. I live in a small town in Oklahoma, maybe 10,000 people, and we have a small Muslim community here. Yes, this is a rifle in the backseat, Confederate flag on the bumper, and Vote Bush on the rear window kind of a town.
They are hardly isolated from everyone else. I talked to a Muslim last Saturday at the annual Fourth of July bash at the park, and the only thing he seemed to be bothered by living in my town was the fact that he had to drive to Oklahoma City to find a mosque. The reason he moved to my town was because he is now THE doctor in my town. Yes we only have one.

That should say something in itself. I even asked him if he ever felt uncomfortable here and he said that he didn't. We all suffer from the same problem here, which is that we have to drive 40 miles to find an Applebees.
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"Imagination was given to man to compensate him for what he is not, and a sense of humor was provided to console him for what he is."