Roberts Faces Moment of Truth on Abortion Issue at Supreme Court

For U.S. Chief Justice John Roberts, the moment of truth on abortion is coming.

The Supreme Court on Wednesday will hear its first abortion case since Roberts became the pivotal vote on the issue. Four years after invalidating a Texas law requiring clinic doctors to have hospital admitting privileges, the court will consider whether to switch directions and uphold a similar law in Louisiana.

The argument will test Roberts’s appetite for rolling back abortion-rights precedents and could foreshadow a fight over the landmark 1973 Roe v. Wade ruling. The justices will rule by the end of June, potentially making ...