"The size of the turnout tonight will likely be the key factor, especially on the Democratic side," said Peter A. Brown, assistant director of the Quinnipiac University Poll. "High turnouts with lots of new caucus participants likely would mean a good night for Sen. Bernie Sanders, and for Donald Trump."
"I don't think there is any doubt that Iowa is, if not make or break, close to that for Mr. Cruz, because if Sen. Cruz doesn't win Iowa, it makes it even more difficult to imagine someone other than Mr. Trump winning New Hampshire," said Peter A. Brown, assistant director of the Quinnipiac University Poll, which released a survey this week showing Mr. Trump and Mr. Cruz were locked in a neck-and-neck race ahead of Monday'