Some service members and others suffering from Post-Traumatic Stress Disorder (PTSD) have had little relief from traditional anti-depressants used in conjunction with psychotherapy. Now, a recent FDA-approved trial using a psychedelic drug called MDMA – better known by its street name, ecstasy – has shown promising results. CBS News national security correspondent David Martin talks with a former Marine whose two tours in Iraq presaged twelve years of nightmares, panic attacks and failed relationships – and who now finds hope.

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