The greatest threat to our security does not come from abroad. It comes from people who wear badges, who display the name of their agency on the backs of their jackets. It comes from greedy, predatory officials who run a protection racket no one dares resist.
We can compare Tea Party and Black Lives Matter as single-issue interest groups. We can also consider what happened to these groups after they decided to align with multi-issue interest groups, or major political parties.