They were messy, stressful, and boring, depending on the moment—and they’re going to have a major shift on the Democratic landscape as the party seeks its next nominee. Peter Kadzis and Adam Reilly size up two nights of debates with Paul Singer, their WGBH News colleague and ex-USA Today politics editor. Don’t miss the debut of Kadzis and Singer’s 2020 Democratic Power Rankings (TM) at the very end.