The latest polling from New Hampshire suggests Republican voters might be starting to come round to that point of view.
With five candidates at that threshold according to the latest polling, Romney stands to get about seven of the 12.
In the latest polling the parties returned to virtual parity: 33 percent Republican, 32 percent Democrat, and 35 percent independent.
Should Romney win the South Carolina primary next Saturday - and the latest polling suggests he will - then that effectively ends the GOP contest.
Miliband gave a round of interviews as the latest polling gave his leadership mixed reviews a year to the day after he was elected party leader.
As the latest polling shows a strong lead for the no campaign, a swing to yes from undecided Labour voters is seen as the last chance for the yes team.
Latest results (using latest polling when available)
It looks as if Santorum has become the default evangelical conservative candidate, based on the latest polling.
We may not get all three," he said, "but our late polling indicates we're closing fast.
An Administration guided by nothing more profound or permanent than the latest polling data.