At this point in a presidential race — with less than 30 days remaining — the “registered voter” polls are no longer acceptable and only “likely voter” polls are considered. This is more time-consuming and expensive for pollsters and limits the number of those actually conducting the polls.
try 18 days left a hell of a lot of early voting going on. Romney could not have time this better as this is the time most voters decide and most absentees start rolling in.