Torture at Guantanamo

"Aamer claims that the US authorities are systematically making the regime more hardline to try to defuse the strike, which now involves almost two-thirds of the detainees. Techniques include making cells "freezing cold" to accentuate the discomfort of those on hunger strike and the introduction of "metal-tipped" feeding tubes, which Aamer said were forced into inmates' stomachs twice a day and caused detainees to vomit over themselves."
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Taking into account that none of the camp's prisoners have been convicted of a crime, and that many of them are POWs, there is no legitimate defence for the systematic brutality that goes on there. How do IN subscribers foresee the cruelty ending?