They had her at a 35-42% lead in Iowa and they came out in a statistical tie. I don’t think these polling models are accounting for the new or re-engaged voters Sanders has inspired. Hillary has politically connected union and minority heads supporting her, the talk that the rank and file of those groups are not falling in line behind them, or that millennials have have passed baby boomers in numbers by 9million since 2008 will skew the polls.