Why were scientists silent over gene-edited babies?

Nature 
Volume 566 Issue 7745, 28 February 2019
http://www.nature.com/nature/current_issue.html

World View | 26 February 2019
Why were scientists silent over gene-edited babies?
To be successful as researchers, we must be able to think through the impacts of our work on society and speak up when necessary, says Natalie Kofler.