With four days remaining, Sanders leads narrowly in Iowa, but Biden leads nationally
- Written by Adrian Beaumont, Honorary Associate, School of Mathematics and Statistics, University of Melbourne
While Bernie Sanders is polling strongest in Iowa, Joe Biden remains the national frontrunner for the Democratic nomination.AAP/EPA/Peter FoleyFour days before the US Iowa Democratic caucuses next Tuesday AEDT, the RealClearPolitics poll average has Bernie Sanders narrowly leading with 23.8%, followed by Joe Biden on 20.2%, Pete Buttigieg 15.8%,...





