The case marked the latest important free speech decision by the justices.

The justices, however, did not rule on the merits of the case.

The conservative justices have tended to defend traditional areas of state control.

The justices will hear a second one-hour oral argument in this case.

The justices are to hear the Maryland case in the coming months.

The four liberal justices are seen as likely to uphold the rule.

Until now, justices often voted along partisan lines when reviewing voting restrictions.

Rarely does the public see the staff members who support the justices.

Most of the justices, including Ginsburg, asked tough questions of both sides.

Five votes among the justices are needed to grant a stay request.

As would legislation to expand the number of justices on the court.

The justices could act in that case as early as next week.

The Court of Appeal justices reserved their decision for a later date.

The four absent justices had previously scheduled commitments, a court spokeswoman said.

The justices have not yet issued a ruling in the Wisconsin case.

EPA's tortured arguments received short shrift from the justices in the majority.