No time to digress today, but check this story out. It deals with the subject of corporal punishment in American schools, and is a classic example of one-sided bias. No voices at all to challenge the data and conclusions reached in these "expert studies."
The experts have increasingly had it their way in the majority of states for the last 30 or more years, and the public schools continue to slide in an ever-increasing downward spiral. No discipline allowed for fears that will hurt the child's fragile self-esteem.