AdvertisementOpinionColoring In Electoral Map Until You're Blue (Or Red) In The FaceApril 24, 2012Ron ElvingfacebookEmailOnlookers study a map of the electoral college system during a Nov. 5, 2008, U.S. presidential election party in Brussels. This year, the electoral vote landscape could be more challenging for Mitt Romney than national popular vote polls might suggest. (Bloomberg via Getty Images)