We know Boston Mayor Marty Walsh was just re-elected by a big margin. Look closer at the results of Boston's municipal election, though, and some provocative themes and questions start to emerge. The Scrum dove into the results at the Banshee Pub in Dorchester with a panel of media experts — Meghan Irons of the Boston Globe, Yawu Miller of the Bay State Banner, and Jennifer Smith of the Dorchester Reporter — and then took some sharp questions from the audience.