I may be mistaken on this, but don't think so. Prior to the Bush administration the dollar was kept high. He reversed it. The dollar is actually a controlled commodity, sure it has sway in it. But they do set it's rate, they do it so things look good or bad. You can make the deficit look better or worse doing this little trick. Look at the China complaint, they won't set a better rate, now you can't do that if you don't control it now can you. It's Bush up to his BS people. It's to bad this didn't get put in the other section, there are some really sharp people on the subject of economics here, not exactly my forte.
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Just enjoy what you do, as best you can, and let the dog out once in a while.