Amnesty International activists supporting death row inmate Troy Davis demonstrate outside US embassy in Rome, Friday, Sept. 16, 2011. Georgia corrections officials have set a Sept. 21, 2011 execution date for Davis, for the 1989 murder of Savannah police officer Mark MacPhail. Davis has drawn a considerable amount of worldwide support, from the Vatican to the European Union, from President Jimmy Carter to Pope Benedict XVI. (AP Photo/Gregorio Borgia)