(Bloomberg Opinion) -- The big winners in the latest Democratic debate were coherence and sanity. With only seven candidates on stage, and a mostly strong performance from the Politico/PBS panel of journalists, this was a contest that really worked in terms of sparking good discussions on policy and allowing confrontations between the candidates that were their choice, not the result of moderators picking fights.I suspect the five plausible nominees on the platform — Joe Biden, Pete Buttigieg, Amy Klobuchar, Bernie Sanders and Elizabeth Warren — all feel that they did what they came to do. As usual, it’s anyone’s guess what Democrats watching, especially in Iowa and New Hampshire, believe. And, as usual, how the debate will affect anything (if at all) will be determined in large part by how the media interpret what happened and which clips get the most mileage. For Klobuchar, the candidate with the most on the line, being one of seven certainly appeared to help. At the very least, she
