> In recent months, the administration’s broader weakening of nationwide auto-emissions standards has become plagued with delays as staff members struggled to p

> In recent months, the administration’s broader weakening of nationwide auto-emissions standards has become plagued with delays as staff members struggled to prepare adequate legal, technical or scientific justifications for the move. As a practical matter, I'd encourage them to work in the other direction: from justifications to policy. Do they need justifications for any legal reason or only for public relations?