GIGANTE, Costa Rica - There was a ghostlike quality to Rudy Gonsior,
an American former Special Forces sniper, on the morning he arrived at
a jungle retreat to see if a vomit-inducing psychedelic brew could
undo the damage years of combat had done to his mind.
Glassy-eyed and withdrawn, he barely spoke above a whisper and was
much quieter than the six other veterans who had come to dredge up
painful memories of comrades fallen in battle, thoughts of suicide and
the scar that taking a life leaves on the psyche.
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