What is a caucus anyway?
A caucus is a basically a community meeting, where community members gather in the same location to declare their preference for President. Voters gather by precinct and elect a certain number of delegates to represent their preferred candidate at the next level caucus. You will meet with neighbors and sign a form declaring your choice for president. It doesn’t cost anything, and you don’t have to give a speech. A typical caucus only lasts about an hour.