OPEN MINDS, The Behavioral Health & Social Service Industry Analyst Industry News Housing and Urban Development Secretary Mel R. Martinez said in April 2001 that he will consider shifting responsibility of homeless people with mental illness and drug addiction problems to the Department of Health and Human Services. The move would be part of President George W. Bush's plans to consolidate "duplicative programs," Mr. Martinez said at a summit sponsored by the U.S. Conference of Mayors. Congress would have to approve a change if it involved the budget, HUD . . .