The brochure had included a list of difficult questions Americans should be prepared to answer when traveling in uncivilized countries. If you are a democracy, why do whites and blacks eat at separate lunch counters? The brochure didn’t propose an answer, as if the answer was obvious, and the issue was only that a person should expect the question. Mr. Mackey said it was a trick question, and that all you had to say was that democracy had to do with separate branches of government, checks and balances and voting.