Where does it say in the constitution that Americans are not allowed to have a public health insurance option?

As long as there is a majority of Americans who want it that is. Poll: 86 percent say insurance, public or private, should be available to all http://www.denverpost.com/news/ci_132036…
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That's not how the Constitution works dipshit. Where in the Constitution does it say we can't torture foreign terrorists?
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