Friday the Wall Street Journal published Kentucky’s Equal-Custody Experiment: A law setting 50-50 shared custody as the state’s standard was hailed as a victory for fathers, but critics say it puts mothers and children at risk.

The Wall Street Journal article story is a smash-up of anecdotes from dads who wanted more time with their kids and women who claim they were abused by their husbands and won’t divorce for fear of having to co-parent with a violent man. The article contains no data...