But you are assuming this would be put up to a vote. What makes you think it wouldn't be imposed by judicial fiat?
It won't be voted on because the educational institutions,the universities and NGOs in America have said that the American people won't accept it.
And look at the European Union constitution. They railroaded integration into Europe through trade, and now that its time for the people to confirm it, all their polls says the people are overwhelmingly against it.