100 days to Iowa: Uncertainty reigns over fluid race

100 days to Iowa: Uncertainty reigns over fluid race-thehill: With just 100 days to go before the Iowa caucuses, the Democratic race for the White House is clouded in uncertainty. What had once looked like a three-person race is showing signs of widening as Iowa voters debate the electability question that has dominated the battle since its beginning: Which of their candidates is most likely to defeat President Trump?