Theonomy Resources blog has featured two Election Day sermons for the edification of Christians:
A Short Election Day Sermon article from John Otis.
Election Day Sermon 2012: Hope for the Future video sermon from Joe Morecraft.
May we His people who are called by His name humble ourselves, and pray and seek His face, and turn from our wicked ways, that He will hear from heaven, and will forgive our sin and heal our land. 2 Chron. 7:14