Supreme Court Justice Samuel Anthony Alito Jr. (left) and Chief Justice John G. Roberts Jr. stand together often when it comes to U.S. Supreme Court rulings. The appointees of President George W. Bush are both young and conservative. (Associated Press)

Supreme Court Justice Samuel Anthony Alito Jr. (left) and Chief Justice John G. Roberts Jr. stand together often when it comes to U.S. Supreme Court rulings. The appointees of President George W. Bush are both young and conservative. (Associated Press)