Political pundits and pollsters were the biggest losers in Tuesday’s New Hampshire contest after Hillary Clinton’s narrow defeat of Barack Obama defied predictions of a double-digit victory for the Illinois senator.

Frank Luntz, a political analyst, predicted that the weeks ahead would see more erratic polling for a variety of reasons, including the intensity and volatility of the race for the Democratic nomination, as well as the record-breaking voter turnout, which made traditional models erroneous.