On Thursday, three Democratic senators introduced a bill to legalize the distribution of the abortion pill by mail. The abortion pill has become America’s most popular form of abortion, due to its lower cost and liability to the abortion industry. Yet a federal law known as the Comstock Act prevents the abortion industry from mailing the pills to women, outlawing the shipping of “every article or thing designed, adapted or intended for producing abortion” via the U.S. mail. Senators Tina Smith (D-Minn.), Elizabeth Warren (D-Mass.), and Catherine Cortez Masto (D-Nev.) introduced a bill to repeal the abortion provision of that...