ALCALA DE HENARES, Spain (Reuters) - A Spaniard held for two years in the U.S. military camp at Guantanamo Bay before being handed over to Spain walked out of prison on bail on Tuesday, judicial sources said. Hamed Aderrahman Ahmad was the first detainee to be transferred from the prison camp where the United States is holding about 600 people, captured since U.S. forces invaded Afghanistan after the September 11 attacks. Judicial sources said investigating magistrate Baltasar Garzon had ordered Abderrahman released on bail of 3,000 euros ($3,707). He has to report daily to a police station and weekly to...