Check out http://leftrightpolitics.com/ a political news aggregator that tracks public sentiment during the election season.
(Created by UI faculty members M.Zubair, Padmini Srinivasan and G.R. Boynton)
"The most important office in a democracy is the office of citizen." Louis Brandeis, U.S. Supreme Court Justice (1916-1939) referring to the responsibility of voters.