Basu: Helping homeless veterans in Iowa survive war's aftermath
Steven Leonard returned from his combat service in Vietnam angry, distrustful and suffering from post-traumatic stress disorder. His body was damaged by shrapnel, and exposure to Agent Orange had left tumors and scars on his face and back.
Maybe they've lost a job or returned to find their role in the family being filled by someone else. "A lot feel life has changed. It has a different meaning or no meaning," says Leonard.
They must establish a different belief and value system.