you did the whole pbl thing and now my kid can't read. >> to add one thing, there is a time dimension you are referring to. short run and long-run. we have to put the redesign blue sky thinking on a track that can go over a long-term period, but it takes a long time and doing it quickly is a good way to do it wrong. but, there is a chronic absenteeism crisis. we have to be clear eyed about what we have to get done, on what schedule, and what it might mean for success. >> it is interesting to think about five-year development plans like a lot of companies do. thinking short-term priorities, get kids back to school, and also, the five-year plan. a question in the back, please. >> thank you. i want to, to be provocative, challenge the premise we have a chronic problem with absenteeism. i think usually in the room i hold the highest credentials. i was the valedictorian of absenteeism at my school. i was the worst behaved to student, i was told, in the school's 200 year history. like you said, rebecca, absenteeism is a symptom of disengagement, absolutely true. disengagement is a symptom o