Americans worry about democracy -- particularly the 'representative' part / Majority of voters say American democracy is 'currently under threat': Poll / Majority of U.S. adults say democracy is on the ballot but they differ on the threat: AP-NORC poll / Most college students ignorant of American democracy, survey finds / Where support for American democracy is the most wobbly / 'Our Medium Is American Democracy': A New Book Compiles More than 550 Artist Billboards / Judge democracy on its results, not pretty-sounding ideas