The number of Guantanamo Bay detainees participating in a hunger strike has ballooned from three to around 75, the U.S. military said Monday, revealing growing defiance among prisoners held for up to 4 1/2 years with no end in sight. Navy Cmdr. Robert Durand called the hunger strike at the U.S. naval base in southeastern Cuba an “attention-getting” tactic to step up pressure for the inmates’ release and said it might be related to a May 18 clash between detainees and guards that injured six prisoners. Full Story