It is said that democracy depends on an informed public. This is to say that democracy is impossible. In the American case, blank ignorance of anything outside the borders leaves people easily manipulable. The genius of the American political system is that it is not necessary to suppress inconvenient information, but only to keep it off television. So few people will encounter it as not to matter.
Giving people the choice between Candidate A and Candidate A, neither of whom addresses the real problems of the nation, is to grant them the influence they would have had in the Habsburg Empire. But it keeps them quiet.
It would be interesting to ask the general public: “Which of the following Arab countries is suspected of trying to develop nuclear weapons? (1) Turkey (2) Pakistan (3) Iran (4) Afghanistan (5) None of the above.”— Fred Reed (via latter-day-anti-federalist)