FILE- This March 5, 2009, file photo shows the U.S. Supreme Court building in Washington. The Supreme Court will struggle this week with the validity of an Arizona law that tries to kee

 

              FILE- This March 5, 2009, file photo shows the U.S. Supreme Court building in Washington. The Supreme Court will struggle this week with the validity of an Arizona law that tries to kee
FILE- This March 5, 2009, file photo shows the U.S. Supreme Court building in Washington. The Supreme Court will struggle this week with the validity of an Arizona law that tries to keep illegal immigrants from voting by demanding all state residents show documents proving their U.S. citizenship before registering to vote in national elections. (AP Photo/J. Scott Applewhite, File)