With the Iowa caucus underway, volunteers across the state are hard at work—calling neighbors, knocking on doors, and checking in with President Obama, who videoconferenced with caucus-goers tonight.

If you live in Iowa, get in on the events by finding your local caucus—and bring your friends and family. If you're out of state, follow @OFA_IA on Twitter, and check back here for more updates. Said one Cedar Rapids volunteer: "I think the President is really excited about the caucus, too."