The Economist explains

How will recent primary reforms change the Democratic race?

The party hopes the changes will make the nomination process more transparent

By A.R. | CHICAGO

CAUCUS-GOERS in Iowa begin the process of picking the Democratic nominee for president on February 3rd. Candidates then compete in primaries or caucuses in every state (plus territories), gathering delegates who will choose the nominee at the party’s national convention in Milwaukee, where the marathon ends, in July. Any contest holds uncertainties. But this one could be complicated by three recent rule changes prompted by lingering acrimony over the 2016 Democratic race between Hillary Clinton and Bernie Sanders. Could the reforms cause an upset?

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