Supreme Court Ruling on Arizona's Controversial Immigration Law

Three important parts of the law were struck down, another upheld (for now at least).  The part that was upheld, sometimes called the "show me your papers" provision is seen by some as the most controversial part of the law.  A good explanation from Marcia Coyle on the NewsHour on PBS last night:

Watch Supreme Court Upholds Controversial Part of Immigration Law on PBS. See more from PBS NewsHour.