I never heard that with Romney - they always told us he was ahead and was going to win
I think they did it to suppress turnout
Add that to the KNOWN voter fraud and you got Odumbass for a 2nd term
http://www.redstate.com/diary/imperfectamerica/2012/11/03/despite-what-the-polls-say-mitt-romney-will-win-by-double-digits-heres-why/
http://www.foxnews.com/opinion/2012/10/09/romney-will-win-in-landslide-las-vegas-oddsmaker-doubles-down-on-prediction.html