March 3, 2020 - The quest for a Democratic presidential nominee goes national when 16 states, territories or groups vote for their preferred candidate in primaries or caucuses. A third of all the delegates available in the entire primary season are up for grabs.The popular-vote tallies in the various states will be used to award pledged delegates to the contenders. In total, 1,357 pledged delegates will be at stake, which is about 34% of the total number of delegates that will be allocated durin