President Trump told reporters Friday that he plans to issue an executive order creating a "favored nations clause," where the U.S. would pay no more for a drug than the lowest price paid by another country.
Why it matters: There are a lot of details that are unclear, such as how the order would be enforced and how much of a difference it would make. But it's a sign that Trump wants to use his executive authority to move ahead on his campaign promise to lower drug prices — and a bad sign for drug companies.