File photo of U.S. Supreme Court Justice John Paul Stevens in an official photograph with the other Justices at the Supreme Court in Washington

 
File photo of U.S. Supreme Court Justice John Paul Stevens in an official photograph with the other Justices at the Supreme Court in Washington
U.S. Supreme Court Justice John Paul Stevens is seen in this official photograph taken at the Supreme Court in Washington, September 29, 2009. Liberal U.S. Supreme Court Justice John Paul Stevens announced on April 9, 2010 that he will resign, giving President Barack Obama his second chance to reshape the nation's highest court and setting up a potential Senate confirmation battle. REUTERS/Jim Young/Files (UNITED STATES POLITICS CRIME LAW)