The fourth Democratic debate was a long one, about three hours, and ended after 11 p.m. ET.
You might not have made it through the whole thing, but there were some potentially consequential moments.
Here are six takeaways:
1. The scrutiny came for Warren, and her vulnerabilities were exposed some
Sen. Elizabeth Warren of Massachusetts was under fire Tuesday night from several opponents, and when that happens to a candidate, you know they're a front-runner.