Why the networks are able to call races when 0% of the vote has been reported

The early call, based on South Carolina exit polls, infuriated many supporters of Sen. Bernie Sanders, who finished a distant second.

      

from USATODAY - News Top Stories https://ift.tt/32NTF0u

The early call, based on South Carolina exit polls, infuriated many supporters of Sen. Bernie Sanders, who finished a distant second.

      

March 04, 2020 at 01:56AM https://ift.tt/2TdawHf https://ift.tt/32NTF0u