Judy Woodruff:

It's not well known to the general public yet that the Environmental Protection Agency under President Trump wants to change which scientific studies can be used by the federal government to regulate industry.

The administration and business voices say studies should be used only if all of the data is publicly available and transparent. But many scientists and researchers say doing so would violate privacy protections for patients in studies.

This issue is now playing out in a long-running battle over whether the ban pesticides that harm babies and children.

Miles O'Brien looks at the science and the debate behind it all.

It's part of our weekly series on the Leading Edge of science, medicine and technology.