In which Dan interviews Julie Stern, one of America's foremost experts and advocates of concept-based teaching and learning. They discuss how Julie got into this (2:15), education's obsession with topics (6:55), how a concept focus leads to deeper learning (9:30), the importance of being open and transparent with students (14:30), the pace of learning (18:30), and the nature of assessment (23:10). As always, we welcome comments and questions on Twitter @BigIdeaEd