The measure would have required abortion doctors to have admitting privileges at hospitals within 30 miles of a clinic. The Supreme Court ruled Monday that Louisiana's tough restriction on abortion violates the Constitution, a surprising victory for abortion rights advocates from an increasingly conservative court. The 5-4 decision in which Chief Justice John Roberts joined with the courts liberal justices struck down a law passed by Louisiana's legislature in 2014 that required any doctor offering abortion services to have admitting privileges at a hospital within 30 miles. Its enforcement had been blocked by a protracted legal battle. Two Louisiana doctors...