The U.S. government intends to revive a vacant position coordinating policy for the military prison camp for foreign terrorism suspects at Guantanamo Bay, Cuba , and is looking at candidates, Attorney General Eric Holder said on Tuesday. _0"> President Barack Obama is facing renewed pressure from foreign governments and human rights advocates to close the prison who assail it as a lasting stain on the United States' international reputation. Obama last month renewed his years-old pledge to try to close the camp, where the United States is holding about 166 detainees, in most cases without charge or trial. Some detainees have been there since 2002 and scores are on hunger strike in protest against their indefinite detention. In January, the U.S. State Department reassigned the special envoy, Daniel Fried, who had been in charge of trying to persuade countries to take Guantanamo inmates approved for transfer and no one was assigned to take his place. The vacancy was v