The fourth Democratic presidential debate — and the last one before the Iowa caucuses and New Hampshire primary next month — is in the books. The best and the worst from the night are below. And make sure to check out our annotated debate transcript!Winners* Bernie Sanders: Yes, Sanders has one volume: shouting. And, yes, he got tripped up a few times during the debate on his voting record — especially on guns. But throughout the debate’s first hour — the hour when most people, especially on the East Coast and in the Midwest, were watching — he was the prime mover in virtually every discussion from Wall Street reform to health care to climate change. He was on offense, accusing rival Hillary Clinton of half-measures and political caution at a moment when boldness is required.