REGRETS: Dr. [Dean Norman], left, chief of staff of the West Los Angeles VA Medical Center, says [Justin Bailey]'s death of an apparent overdose has prompted immediate reforms, including more random urine tests and room checks for drugs. [Dimitris Rentzis], right, says he tried to warn officials about his friend's abuse of prescription drugs.; PHOTOGRAPHER: Francine Orr Los Angeles Times; REGRETS: Dr. Dean Norman, left, chief of staff of the West Los Angeles VA Medical Center, says Justin Bailey's death of an apparent overdose has prompted immediate reforms, including more random urine tests and room checks for drugs. Dimitris Rentzis, right, says he tried to warn officials about his friend's abuse of prescription drugs.; PHOTOGRAPHER: Ken Hively Los Angeles Times; Justin Bailey; IEDORMITORY: Bailey checked himself into the West Los Angeles VA Medical Center just after Thanksgiving. He was there six weeks.; PHOTOGRAPHER: Ken Hively Los Angeles Times