This will help those who are not sure what a caucus is and how it works.
Some questions and answers about the Iowa caucuses this Thursday:
Q: What is a caucus?
A: A party meeting at the precinct level at which citizens express their candidate preferences and pick delegates to their county conventions. It's the lowest level of party politics -- the real grassroots. These meetings, held in each of the state's nearly 1,800 precincts, typically draw anywhere from a handful of people in rural areas to hundreds in suburban areas
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