Blame and betrayal are the emotional enemies of improvement.
In healthy individuals, emotions don't distort rationality, they enhance it!
Educational reforms are like ripe fruit. They rarely travel well.
If one foot is in a bucket of steam, and the other is in a bucket of ice, you are not, on average, comfortable.
Physically, teachers are often alone in their own classrooms with no other adults for company. Psychologically, they never are.
Too many professional development initiatives are done to teachers - not for, with or by them.