While this is a video from the Sanders campaign the mechanics of caucusing are standard and well illustrated here.

Please pay close attention to your caucus leader. He or she only does this once every 4 years. While we (yes, I am one) have been trained, there are many little rules to follow closely to make the caucus work. So we will take our time to make sure we follow the rules.

The eyes of America are on Iowa. We are all Democrats and we all have nearly the exact same goals in mind. We vary mostly in approach. Democrats in, Democrats coming out. And for the sake of the country may we win in the fall.