Virginia says the model did improve teacher performance. so joining me now to talk about it is michelle reed, former chancellor of washington, d.c. public schools. she implemented the impact system, and she's now ceo and founder of the nonprofit lobbying group students first. thanks so much for being here. we really appreciate it. thanks for having me. >> michelle, first, i want to get your reaction to this study. this was obviously a controversial program when you first implemented it. you got a lot of heat for it. so what's your reaction today? >> you know, my reaction is just that sort of c...