020320 404 Iowa’s Democratic presidential precinct caucuses are more complex than they were four years ago. As usual, instead of just casting a ballot, participants gather in a room and show their support by standing in groups. And the winner isn’t decided by votes, but by state delegate equivalents. But, this year, for the first time, the Iowa Democratic Party will announce not only the number of state delegate equivalents earned by each presidential candidate, but also the number of