Democratic primary: why 2020 could be the year of the black voter

Resurgent former vice-president Joe Biden appeals to a substantial block of mostly southern voters in ways Bernie Sanders can't After most national polls had been showing a considerable lead for Bernie Sanders in the Democratic primary, former vice-president Joe Biden's strong showing on Super Tuesday caught most of the country by surprise. Notably, his largest margins came in states with substantial black populations: Virginia, Alabama, North Carolina and Arkansas. The surge of momentum that le...