I like the Mencken quote. Others also seem appropriate in light of our current president:
“Democracy is the theory that the common people know what they want, and deserve to get it good and hard.”
H. L. Mencken
“As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart’s desire at last and the White House will be adorned by a downright moron.”
H. L. Mencken
“Democracy is the worship of jackals by jackasses.”
H.L. Mencken
Of course, when our guys win (which happens occasionally) the voters are okay.
Read more at http://www.snopes.com/politics/quotes/whitehousemoron.asp#wGrs8Sxt4VcdgGRK.99