Make it a true will of the people, pure democracy. The questions, "should a central gov agency record all aspects - movements, purchases, associations, web searches,etc - of Americans"?
Being a direct vote, each person is connected to the ballot they cast. Count each vote with utmost care & precision. Do it again.
Track those that voted "yes"; they're the ones that are the problem.
Make that first vote for Muslims only, and many people, including FReepers, would vote “Yes”. Then expand from there.