that is perfect.
La Tex: If you could trust k-12 students to be able to distinguish fruitful discussion from useless blather, you could do it that way. But even college student discussion degenerates pretty fast without guidance. It turns out that an expert teacher really does... teach.
DeeDee
This expert teacher usually can adapt to many situations very quickly and get back on track pretty much on cue.
I would not trade the personal relationship my son had with his 2nd grade teacher (last year) for anything. Looking back its easy.