United States of America
Amicus Curiae
Neal Kumar Katyal, Acting U.S. Solicitor General The United States filed an amicus brief in this case because it involves the interpretation of Federal law. Neal Kumar Katyal is acting U.S. solicitor general, having ascended to the position following the confirmation of Solicitor General Elena Kagan to the U.S. Supreme Court on May 17, 2010. Prior to that, he served as principal deputy U.S. solicitor general. The following is excerpted from the Amicus Curiae Brief for the Petitioners as submitted to the U.S. Supreme Court on September 8, 2010. The Arizona statute is expressly preempted because it does not fit…