Abortion is legal in most of Europe, but its proponents are bent on suppressing efforts to change the minds of mothers considering it. Witness France’s ban on a television commercial showing happy children with Down Syndrome (DS).

Produced to commemorate World Down Syndrome Day, the commercial showed several cheerful children with DS addressing a mother considering abortion. “Dear future mom,” says one, “don’t be afraid.” “Your child will be able to do many things,” says another. “He’ll be able to hug you.” “He’ll be able...