In 2016, Sanders won white voters over Clinton by nine percentage points in Missouri and 14 points in Michigan. This year, Biden won whites by 23 points over Sanders in Missouri and by 10 points in Michigan, according to preliminary exit poll data. Sanders underperformed his 2016 showing among both white college graduates and those without four-year college degrees after winning both groups four years ago. Biden won whites without college degrees by a 18-point margin in Missouri and by seven points in Michigan; he won white college grads by 28 points in Missouri and 14 points in Michigan.
Tuesday’s primaries reveal it’s not just black voters whom Sanders is struggling with
