The Iowa caucuses have finally arrived. While Sens. Elizabeth Warren, Bernie Sanders, Amy Klobuchar, and Michael Bennet (yes, he’s still running) are stuck at the impeachment trial with only water and milk to sustain them, Joe Biden, Pete Buttigieg, and Andrew Yang have been campaigning in Iowa in the lead-up to the first nominating contest of the primaries. The front-runners? Sanders and Biden. To guide you through the caucuses, we’ve rounded up the top liberal and conservative commentators below. You’ll see liberal tweets on the left and conservative tweets on the right.