Concertina wire and a guard tower are seen at Pelican Bay State Prison near Crescent City, Calif., Wednesday, Aug. 17, 2011. State prison officials allowed the media to tour Pelican' Bay's secure ... more 
Concertina wire and a guard tower are seen at Pelican Bay State Prison near Crescent City, Calif., Wednesday, Aug. 17, 2011. State prison officials allowed the media to tour Pelican' Bay's secure housing unit, known as the SHU, where inmates are isolated for 22 1/2 hours a day in windowless, soundproofed cells to counter allegations of mistreatment made during an inmate hunger strike last month. (AP Photo/Rich Pedroncelli) less 
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Associated Press | Photo By Rich Pedroncelli
Wed, Aug 17, 2011 8:12 PM EDT