A law set to take effect in early December gives Texans the power to sue anyone involved in mailing abortion pills to the state, from drug companies to doctors. Whether Texas’ statute can puncture other states’ shield laws remains to be seen....

Last month, Julie F. Kay launched Reproductive Futures, an organization working to strengthen and expand shield laws—the legal protections in blue states for doctors who mail abortion pills into states where abortion is banned. Kay is an internationally recognized human rights lawyer and co-author...