A Nation United or Divided? - Arizona v. U.S.

The Center for American Progress has posted several items related to the landmark immigration case to be heard by the Supreme Court on April 25th:

Interactive Map: A Nation United or Divided?

Arizona’s ‘Show Me Your Papers’ Law in the U.S. Supreme Court: What’s at Stake?

'Arizona v. United States' in the U.S. Supreme Court - A Primer on the Legal Arguments in Landmark States’ Rights Case